<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:2793b50f-c6d9-4297-8230-c9ff647fd78d,g:5760c0c6-c701-4c53-ba2b-db4fb809ec9a-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.spok.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="spok-20251231.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.spok.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_504e4466-7e69-4219-b94d-a65ebc033132" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_8c2be456-1d7d-4945-bb9e-a90c86920994" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_504e4466-7e69-4219-b94d-a65ebc033132" xlink:to="loc_us-gaap_AccountsPayableCurrent_8c2be456-1d7d-4945-bb9e-a90c86920994" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_dd775a73-8e29-463b-85c2-1f2040d143e0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_504e4466-7e69-4219-b94d-a65ebc033132" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_dd775a73-8e29-463b-85c2-1f2040d143e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_a6a2bc0e-4310-4a26-8bee-18d3df193668" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_504e4466-7e69-4219-b94d-a65ebc033132" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_a6a2bc0e-4310-4a26-8bee-18d3df193668" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_4e1de837-7a3a-4b8e-b30b-b524bb016606" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_504e4466-7e69-4219-b94d-a65ebc033132" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_4e1de837-7a3a-4b8e-b30b-b524bb016606" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_d4de46e4-88f4-46f1-aeaa-0d243f1f517b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_504e4466-7e69-4219-b94d-a65ebc033132" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_d4de46e4-88f4-46f1-aeaa-0d243f1f517b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_8f226693-2c60-4ad1-b666-695ec5f13834" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_c7a83d28-750f-4855-a133-d265b16d6049" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_8f226693-2c60-4ad1-b666-695ec5f13834" xlink:to="loc_us-gaap_Liabilities_c7a83d28-750f-4855-a133-d265b16d6049" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_cbbe1c2d-f345-4141-b8da-f1c7a9818ee1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_8f226693-2c60-4ad1-b666-695ec5f13834" xlink:to="loc_us-gaap_CommitmentsAndContingencies_cbbe1c2d-f345-4141-b8da-f1c7a9818ee1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_58c6e1f8-8d0c-422f-ad40-7693c703b203" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_8f226693-2c60-4ad1-b666-695ec5f13834" xlink:to="loc_us-gaap_StockholdersEquity_58c6e1f8-8d0c-422f-ad40-7693c703b203" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsNoncurrent_ee472ce7-1a1e-47cb-94cb-59351c0be517" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_d9db6f02-4140-45d9-86f8-1260d3e71a67" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_ee472ce7-1a1e-47cb-94cb-59351c0be517" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_d9db6f02-4140-45d9-86f8-1260d3e71a67" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_f2d22d8a-a262-4df0-85af-1fe3b7fdaf0e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_ee472ce7-1a1e-47cb-94cb-59351c0be517" xlink:to="loc_us-gaap_Goodwill_f2d22d8a-a262-4df0-85af-1fe3b7fdaf0e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_bd29472f-c09c-4944-80ee-f7d481bc578b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_ee472ce7-1a1e-47cb-94cb-59351c0be517" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_bd29472f-c09c-4944-80ee-f7d481bc578b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_4c240631-efd6-4544-b39a-d446dc2bd80a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_ee472ce7-1a1e-47cb-94cb-59351c0be517" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_4c240631-efd6-4544-b39a-d446dc2bd80a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_ce9edb98-9df3-4475-99ac-0767ecc61940" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_ee472ce7-1a1e-47cb-94cb-59351c0be517" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_ce9edb98-9df3-4475-99ac-0767ecc61940" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_3a73beef-38c6-424b-a406-cbc162dcdef3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_69b7997a-3472-401a-bd50-ddb5bb79613a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_3a73beef-38c6-424b-a406-cbc162dcdef3" xlink:to="loc_us-gaap_AssetsCurrent_69b7997a-3472-401a-bd50-ddb5bb79613a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsNoncurrent_c9c5e022-3caf-42d1-b98c-d76605d165ce" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_3a73beef-38c6-424b-a406-cbc162dcdef3" xlink:to="loc_us-gaap_AssetsNoncurrent_c9c5e022-3caf-42d1-b98c-d76605d165ce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_3146b028-19cc-477d-9563-f1a32afe0f5d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_a8ed9515-d24f-469e-967a-5c2a0c7bf3b0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_3146b028-19cc-477d-9563-f1a32afe0f5d" xlink:to="loc_us-gaap_LiabilitiesCurrent_a8ed9515-d24f-469e-967a-5c2a0c7bf3b0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_9e60dea9-c213-40ab-9307-e8682919c0f5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_3146b028-19cc-477d-9563-f1a32afe0f5d" xlink:to="loc_us-gaap_LiabilitiesNoncurrent_9e60dea9-c213-40ab-9307-e8682919c0f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_18ddbd26-0315-4723-ba4f-4d34a07feba7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_0c1a98c5-2fbb-42c0-91e1-a9634c24b253" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_18ddbd26-0315-4723-ba4f-4d34a07feba7" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_0c1a98c5-2fbb-42c0-91e1-a9634c24b253" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationsNoncurrent_0a038075-d9c4-4df5-8417-2422a1bc4975" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetRetirementObligationsNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_18ddbd26-0315-4723-ba4f-4d34a07feba7" xlink:to="loc_us-gaap_AssetRetirementObligationsNoncurrent_0a038075-d9c4-4df5-8417-2422a1bc4975" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_8f594b0a-0ed2-4ebf-874c-dbff3eb97b55" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_18ddbd26-0315-4723-ba4f-4d34a07feba7" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_8f594b0a-0ed2-4ebf-874c-dbff3eb97b55" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_5b262a88-675d-4710-bb67-ea12fe8a53a4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_7c4575d7-6c0c-4f33-b820-e4661e78e280" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_5b262a88-675d-4710-bb67-ea12fe8a53a4" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_7c4575d7-6c0c-4f33-b820-e4661e78e280" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_756148be-2880-4e3f-b39a-f71b696eacaf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_5b262a88-675d-4710-bb67-ea12fe8a53a4" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_756148be-2880-4e3f-b39a-f71b696eacaf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseCurrent_4dbbefe5-e11c-456e-9dd6-ead908ed63bf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_5b262a88-675d-4710-bb67-ea12fe8a53a4" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_4dbbefe5-e11c-456e-9dd6-ead908ed63bf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_f7b04384-2193-4edc-ad97-f46f47ee20c1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_5b262a88-675d-4710-bb67-ea12fe8a53a4" xlink:to="loc_us-gaap_OtherAssetsCurrent_f7b04384-2193-4edc-ad97-f46f47ee20c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_d5c7ec92-950d-4232-bd83-08e9cf6c2271" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_05ae628b-56f4-47aa-8d23-7b5376274963" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_d5c7ec92-950d-4232-bd83-08e9cf6c2271" xlink:to="loc_us-gaap_PreferredStockValue_05ae628b-56f4-47aa-8d23-7b5376274963" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_e1928d63-c535-4aaf-b73b-3551f9d35d3b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_d5c7ec92-950d-4232-bd83-08e9cf6c2271" xlink:to="loc_us-gaap_CommonStockValue_e1928d63-c535-4aaf-b73b-3551f9d35d3b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_15f7b145-7bb6-405d-99ae-d0facb20112d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_d5c7ec92-950d-4232-bd83-08e9cf6c2271" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_15f7b145-7bb6-405d-99ae-d0facb20112d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_bc7dc575-7daa-40f1-ac26-e41332fe6fae" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_d5c7ec92-950d-4232-bd83-08e9cf6c2271" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_bc7dc575-7daa-40f1-ac26-e41332fe6fae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_77cd4a57-8552-4e93-b2e5-c31d71647542" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_d5c7ec92-950d-4232-bd83-08e9cf6c2271" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_77cd4a57-8552-4e93-b2e5-c31d71647542" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spok.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="simple" xlink:href="spok-20251231.xsd#CONSOLIDATEDSTATEMENTSOFOPERATIONS"/>
  <link:calculationLink xlink:role="http://www.spok.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_90537a12-2ddc-4656-ba81-15e84c26229b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_7a1eba3b-ddda-46e9-83ed-9f5ccba055e2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_90537a12-2ddc-4656-ba81-15e84c26229b" xlink:to="loc_us-gaap_OperatingIncomeLoss_7a1eba3b-ddda-46e9-83ed-9f5ccba055e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_2ec47a78-9c92-4d1b-bb50-248bdc22256f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_90537a12-2ddc-4656-ba81-15e84c26229b" xlink:to="loc_us-gaap_InvestmentIncomeInterest_2ec47a78-9c92-4d1b-bb50-248bdc22256f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_d61dd3fc-6b52-45e6-87f2-104864793553" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_90537a12-2ddc-4656-ba81-15e84c26229b" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_d61dd3fc-6b52-45e6-87f2-104864793553" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_75a4ce6a-abe2-476d-bda5-8d304a913853" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_0386b6f5-9f17-4cc7-8eb0-d4ca9b0f4e42" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_75a4ce6a-abe2-476d-bda5-8d304a913853" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_0386b6f5-9f17-4cc7-8eb0-d4ca9b0f4e42" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_422e7d8a-0636-46ab-a3eb-5b72b18ec6ee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_75a4ce6a-abe2-476d-bda5-8d304a913853" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_422e7d8a-0636-46ab-a3eb-5b72b18ec6ee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_9b8deb2d-e0c9-410d-90a4-cc6cad65cff0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_1cf52870-5d96-40d8-bec1-be4d4d18050b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_9b8deb2d-e0c9-410d-90a4-cc6cad65cff0" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_1cf52870-5d96-40d8-bec1-be4d4d18050b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_d98c43ca-4c84-4319-9da1-7feb985edb2a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_9b8deb2d-e0c9-410d-90a4-cc6cad65cff0" xlink:to="loc_us-gaap_CostsAndExpenses_d98c43ca-4c84-4319-9da1-7feb985edb2a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_acf705f6-fbdd-4c36-a2e9-ecbf15026298" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_8c8f7ae5-f80f-414a-84bb-700f8c439f19" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestructuringCharges"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_acf705f6-fbdd-4c36-a2e9-ecbf15026298" xlink:to="loc_us-gaap_RestructuringCharges_8c8f7ae5-f80f-414a-84bb-700f8c439f19" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_5f623e47-9189-477f-9ca4-bdefa6c2ca0c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfRevenue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_acf705f6-fbdd-4c36-a2e9-ecbf15026298" xlink:to="loc_us-gaap_CostOfRevenue_5f623e47-9189-477f-9ca4-bdefa6c2ca0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_TechnologyOperationsExpense_d11daabc-ab60-46db-afab-e2b2758e61cf" xlink:href="spok-20251231.xsd#spok_TechnologyOperationsExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_acf705f6-fbdd-4c36-a2e9-ecbf15026298" xlink:to="loc_spok_TechnologyOperationsExpense_d11daabc-ab60-46db-afab-e2b2758e61cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_2862e542-d388-4934-a228-d00976b07945" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_acf705f6-fbdd-4c36-a2e9-ecbf15026298" xlink:to="loc_us-gaap_SellingAndMarketingExpense_2862e542-d388-4934-a228-d00976b07945" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_3755137a-c14a-4e4a-a0e5-048b43b16d2f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_acf705f6-fbdd-4c36-a2e9-ecbf15026298" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_3755137a-c14a-4e4a-a0e5-048b43b16d2f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_3804813b-0d24-4801-8295-1a3e8049100e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationAmortizationAndAccretionNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_acf705f6-fbdd-4c36-a2e9-ecbf15026298" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_3804813b-0d24-4801-8295-1a3e8049100e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_d4c8ceac-5c28-465d-b02f-4a58b86cffb3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_acf705f6-fbdd-4c36-a2e9-ecbf15026298" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_d4c8ceac-5c28-465d-b02f-4a58b86cffb3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spok.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" xlink:type="simple" xlink:href="spok-20251231.xsd#CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME"/>
  <link:calculationLink xlink:role="http://www.spok.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_53965d4a-9e33-4e15-ba0c-bb654e4ce1a9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_bd4bcbc2-cd4e-49e3-b0f6-dc3d2d1887b0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_53965d4a-9e33-4e15-ba0c-bb654e4ce1a9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_bd4bcbc2-cd4e-49e3-b0f6-dc3d2d1887b0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_236b3fef-f136-421f-a98d-5baabd131159" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_64fcfa57-97b8-42e4-a034-880834f0ebe4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_236b3fef-f136-421f-a98d-5baabd131159" xlink:to="loc_us-gaap_NetIncomeLoss_64fcfa57-97b8-42e4-a034-880834f0ebe4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_820c200a-3bd9-418f-8951-f25a6cb07460" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_236b3fef-f136-421f-a98d-5baabd131159" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_820c200a-3bd9-418f-8951-f25a6cb07460" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spok.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="spok-20251231.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.spok.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_6bc6ce1b-4300-4a07-92da-112f9d0f7fcd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_c38ad94d-e5b9-4fb9-810d-0830f4d102bf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_6bc6ce1b-4300-4a07-92da-112f9d0f7fcd" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_c38ad94d-e5b9-4fb9-810d-0830f4d102bf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfIntangibleAssets_5a817fa4-b835-41a6-9e94-0ffabe64472f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleOfIntangibleAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_6bc6ce1b-4300-4a07-92da-112f9d0f7fcd" xlink:to="loc_us-gaap_ProceedsFromSaleOfIntangibleAssets_5a817fa4-b835-41a6-9e94-0ffabe64472f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_ed745c9a-f00e-4f92-9e98-0565cc69fb54" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_610e417d-7b68-466b-8da0-ab01cb215c9a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_ed745c9a-f00e-4f92-9e98-0565cc69fb54" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_610e417d-7b68-466b-8da0-ab01cb215c9a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_081654c5-1428-4fb3-8127-3d8fd53f9cd8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_ed745c9a-f00e-4f92-9e98-0565cc69fb54" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_081654c5-1428-4fb3-8127-3d8fd53f9cd8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_60587935-f1e6-476c-9ac3-074dcf094768" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_ed745c9a-f00e-4f92-9e98-0565cc69fb54" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_60587935-f1e6-476c-9ac3-074dcf094768" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_208ca6d0-ed37-4751-b435-7cdb79f04059" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_ed745c9a-f00e-4f92-9e98-0565cc69fb54" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_208ca6d0-ed37-4751-b435-7cdb79f04059" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d6baeaea-33c6-4eaf-b4a8-6d7fcfbfc03f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_a18aa779-645f-45f5-bdbe-833b30e68049" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d6baeaea-33c6-4eaf-b4a8-6d7fcfbfc03f" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_a18aa779-645f-45f5-bdbe-833b30e68049" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_768ee196-5d0c-4607-8b72-97656669870f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d6baeaea-33c6-4eaf-b4a8-6d7fcfbfc03f" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_768ee196-5d0c-4607-8b72-97656669870f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_d9565ca1-1fed-43f3-ac94-470d5920ae55" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d6baeaea-33c6-4eaf-b4a8-6d7fcfbfc03f" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_d9565ca1-1fed-43f3-ac94-470d5920ae55" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfIntangibleAssets_019b9cc3-cba5-7328-8caf-813775a13146" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnDispositionOfIntangibleAssets"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d6baeaea-33c6-4eaf-b4a8-6d7fcfbfc03f" xlink:to="loc_us-gaap_GainLossOnDispositionOfIntangibleAssets_019b9cc3-cba5-7328-8caf-813775a13146" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_55c67a65-1d90-44ee-8e5b-747c6a720c91" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d6baeaea-33c6-4eaf-b4a8-6d7fcfbfc03f" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_55c67a65-1d90-44ee-8e5b-747c6a720c91" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_5fea02d2-8712-47b0-bd7e-3a151f3d19d2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d6baeaea-33c6-4eaf-b4a8-6d7fcfbfc03f" xlink:to="loc_us-gaap_NetIncomeLoss_5fea02d2-8712-47b0-bd7e-3a151f3d19d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_AssetRetirementObligationGainOnSettlement_019c046b-468a-7e2e-8941-1679e1d40f71" xlink:href="spok-20251231.xsd#spok_AssetRetirementObligationGainOnSettlement"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d6baeaea-33c6-4eaf-b4a8-6d7fcfbfc03f" xlink:to="loc_spok_AssetRetirementObligationGainOnSettlement_019c046b-468a-7e2e-8941-1679e1d40f71" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_85716ee8-dbee-420f-86cb-37f2d10720fc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOperatingLeaseLiability"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d6baeaea-33c6-4eaf-b4a8-6d7fcfbfc03f" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_85716ee8-dbee-420f-86cb-37f2d10720fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_2f1ba4e6-6163-4ccb-8a1d-b5b3a1d3734b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d6baeaea-33c6-4eaf-b4a8-6d7fcfbfc03f" xlink:to="loc_us-gaap_ShareBasedCompensation_2f1ba4e6-6163-4ccb-8a1d-b5b3a1d3734b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_5a50f114-7d34-4799-b8e5-3de5a3cb8276" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d6baeaea-33c6-4eaf-b4a8-6d7fcfbfc03f" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_5a50f114-7d34-4799-b8e5-3de5a3cb8276" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_ProvisionsForDoubtfulAccountsServiceCreditsNoncashTaxesAndOther_9d802de8-a3e2-4305-8528-95a7b4819b95" xlink:href="spok-20251231.xsd#spok_ProvisionsForDoubtfulAccountsServiceCreditsNoncashTaxesAndOther"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d6baeaea-33c6-4eaf-b4a8-6d7fcfbfc03f" xlink:to="loc_spok_ProvisionsForDoubtfulAccountsServiceCreditsNoncashTaxesAndOther_9d802de8-a3e2-4305-8528-95a7b4819b95" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_202691b9-b594-499e-a3d6-1d8ec214ed16" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationAmortizationAndAccretionNet"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d6baeaea-33c6-4eaf-b4a8-6d7fcfbfc03f" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_202691b9-b594-499e-a3d6-1d8ec214ed16" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_b95c8b55-168b-44d8-863d-f7d64107fbce" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_7e0d9753-5209-4893-8b6b-1d48ba3e136b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_b95c8b55-168b-44d8-863d-f7d64107fbce" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_7e0d9753-5209-4893-8b6b-1d48ba3e136b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_cb2ee1e5-1fac-491c-8e1d-b195d0ed9150" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_b95c8b55-168b-44d8-863d-f7d64107fbce" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_cb2ee1e5-1fac-491c-8e1d-b195d0ed9150" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_8bade64c-57a3-48e5-9be6-457fe4738ea0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_b95c8b55-168b-44d8-863d-f7d64107fbce" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_8bade64c-57a3-48e5-9be6-457fe4738ea0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spok.com/role/OrganizationandSignificantAccountingPoliciesReclassifiedPreviouslyReportedOperatingExpensesDetails" xlink:type="simple" xlink:href="spok-20251231.xsd#OrganizationandSignificantAccountingPoliciesReclassifiedPreviouslyReportedOperatingExpensesDetails"/>
  <link:calculationLink xlink:role="http://www.spok.com/role/OrganizationandSignificantAccountingPoliciesReclassifiedPreviouslyReportedOperatingExpensesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_spok_CostsAndExpensesExcludingDepreciationAmortizationAndAccretionAndRestructuringCharges_019c6821-78b9-76bf-9fd3-35b8f2d51a80" xlink:href="spok-20251231.xsd#spok_CostsAndExpensesExcludingDepreciationAmortizationAndAccretionAndRestructuringCharges"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_019c6821-78b9-70fa-b193-23bac305a235" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfRevenue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spok_CostsAndExpensesExcludingDepreciationAmortizationAndAccretionAndRestructuringCharges_019c6821-78b9-76bf-9fd3-35b8f2d51a80" xlink:to="loc_us-gaap_CostOfRevenue_019c6821-78b9-70fa-b193-23bac305a235" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_019c6821-78b9-7c33-b076-2bb46a7def8d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spok_CostsAndExpensesExcludingDepreciationAmortizationAndAccretionAndRestructuringCharges_019c6821-78b9-76bf-9fd3-35b8f2d51a80" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_019c6821-78b9-7c33-b076-2bb46a7def8d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_TechnologyOperationsExpense_019c6821-78b9-7045-998a-65f5151edc37" xlink:href="spok-20251231.xsd#spok_TechnologyOperationsExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spok_CostsAndExpensesExcludingDepreciationAmortizationAndAccretionAndRestructuringCharges_019c6821-78b9-76bf-9fd3-35b8f2d51a80" xlink:to="loc_spok_TechnologyOperationsExpense_019c6821-78b9-7045-998a-65f5151edc37" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_019c6821-78b9-7331-b0dc-b264157ddc49" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spok_CostsAndExpensesExcludingDepreciationAmortizationAndAccretionAndRestructuringCharges_019c6821-78b9-76bf-9fd3-35b8f2d51a80" xlink:to="loc_us-gaap_SellingAndMarketingExpense_019c6821-78b9-7331-b0dc-b264157ddc49" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_019c6821-78b9-75c9-a3e8-59f81f32f47b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spok_CostsAndExpensesExcludingDepreciationAmortizationAndAccretionAndRestructuringCharges_019c6821-78b9-76bf-9fd3-35b8f2d51a80" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_019c6821-78b9-75c9-a3e8-59f81f32f47b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spok.com/role/LeasesLeaseCostsDetails" xlink:type="simple" xlink:href="spok-20251231.xsd#LeasesLeaseCostsDetails"/>
  <link:calculationLink xlink:role="http://www.spok.com/role/LeasesLeaseCostsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_56dc559a-cbb0-46b3-9d09-d9b64801afdf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_c85dfb8e-1b39-4b92-a811-077590e3328e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_56dc559a-cbb0-46b3-9d09-d9b64801afdf" xlink:to="loc_us-gaap_OperatingLeaseCost_c85dfb8e-1b39-4b92-a811-077590e3328e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_2d5cb4b6-4179-4cd3-89b9-3bd54bb28255" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermLeaseCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_56dc559a-cbb0-46b3-9d09-d9b64801afdf" xlink:to="loc_us-gaap_ShortTermLeaseCost_2d5cb4b6-4179-4cd3-89b9-3bd54bb28255" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spok.com/role/LeasesLeaseMaturitiesDetails" xlink:type="simple" xlink:href="spok-20251231.xsd#LeasesLeaseMaturitiesDetails"/>
  <link:calculationLink xlink:role="http://www.spok.com/role/LeasesLeaseMaturitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_8e8f0cda-64c8-459d-92da-05eba2034d17" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_981b94e5-63bb-4d0f-9416-acbe30ae074e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_8e8f0cda-64c8-459d-92da-05eba2034d17" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_981b94e5-63bb-4d0f-9416-acbe30ae074e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_86b62e1d-af71-487a-abee-fc7a506e3742" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_8e8f0cda-64c8-459d-92da-05eba2034d17" xlink:to="loc_us-gaap_OperatingLeaseLiability_86b62e1d-af71-487a-abee-fc7a506e3742" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spok.com/role/LeasesLeaseMaturitiesDetails_1" xlink:type="simple" xlink:href="spok-20251231.xsd#LeasesLeaseMaturitiesDetails_1"/>
  <link:calculationLink xlink:role="http://www.spok.com/role/LeasesLeaseMaturitiesDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b9331cfa-ceb6-4a7c-b252-e547fca06c63" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_336eed0c-5a29-40c2-b393-c0b68ab37fbf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b9331cfa-ceb6-4a7c-b252-e547fca06c63" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_336eed0c-5a29-40c2-b393-c0b68ab37fbf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_eafdf732-43d5-4653-8688-73dfe53305c8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b9331cfa-ceb6-4a7c-b252-e547fca06c63" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_eafdf732-43d5-4653-8688-73dfe53305c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_49ea39a6-a803-470e-ac47-5efb571b75ed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b9331cfa-ceb6-4a7c-b252-e547fca06c63" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_49ea39a6-a803-470e-ac47-5efb571b75ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_b8b4840f-8211-43cb-98f7-ff80cdbf66af" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b9331cfa-ceb6-4a7c-b252-e547fca06c63" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_b8b4840f-8211-43cb-98f7-ff80cdbf66af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_2bd0000e-40e7-47c7-866d-b81b75c64e89" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b9331cfa-ceb6-4a7c-b252-e547fca06c63" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_2bd0000e-40e7-47c7-866d-b81b75c64e89" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_11e95630-3bd0-4978-88b1-71339bcb50a1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b9331cfa-ceb6-4a7c-b252-e547fca06c63" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_11e95630-3bd0-4978-88b1-71339bcb50a1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spok.com/role/ConsolidatedFinancialStatementsComponentsDepreciationandAccretionDetails" xlink:type="simple" xlink:href="spok-20251231.xsd#ConsolidatedFinancialStatementsComponentsDepreciationandAccretionDetails"/>
  <link:calculationLink xlink:role="http://www.spok.com/role/ConsolidatedFinancialStatementsComponentsDepreciationandAccretionDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_141120b4-0261-409c-8b3b-e89596105fe1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationAmortizationAndAccretionNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationAccretionExpense_1632c8f8-4763-4e87-a1ed-d965a8b57888" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetRetirementObligationAccretionExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DepreciationAmortizationAndAccretionNet_141120b4-0261-409c-8b3b-e89596105fe1" xlink:to="loc_us-gaap_AssetRetirementObligationAccretionExpense_1632c8f8-4763-4e87-a1ed-d965a8b57888" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_DepreciationNetOfAssetRetirementCosts_785a2ffe-6a6f-4d6e-bfa0-f1bb95630907" xlink:href="spok-20251231.xsd#spok_DepreciationNetOfAssetRetirementCosts"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DepreciationAmortizationAndAccretionNet_141120b4-0261-409c-8b3b-e89596105fe1" xlink:to="loc_spok_DepreciationNetOfAssetRetirementCosts_785a2ffe-6a6f-4d6e-bfa0-f1bb95630907" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_DepreciationNetOfAssetRetirementCosts_9f326c93-186c-43fd-b552-d91dd25018bc" xlink:href="spok-20251231.xsd#spok_DepreciationNetOfAssetRetirementCosts"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_51a403aa-8f75-41d1-9ac0-582b7e48d70b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Depreciation"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spok_DepreciationNetOfAssetRetirementCosts_9f326c93-186c-43fd-b552-d91dd25018bc" xlink:to="loc_us-gaap_Depreciation_51a403aa-8f75-41d1-9ac0-582b7e48d70b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_DepreciationAssetRetirementCosts_dd29560e-44f7-43c9-b9d1-549decd250be" xlink:href="spok-20251231.xsd#spok_DepreciationAssetRetirementCosts"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spok_DepreciationNetOfAssetRetirementCosts_9f326c93-186c-43fd-b552-d91dd25018bc" xlink:to="loc_spok_DepreciationAssetRetirementCosts_dd29560e-44f7-43c9-b9d1-549decd250be" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spok.com/role/ConsolidatedFinancialStatementsComponentsPropertyandEquipmentnetDetails" xlink:type="simple" xlink:href="spok-20251231.xsd#ConsolidatedFinancialStatementsComponentsPropertyandEquipmentnetDetails"/>
  <link:calculationLink xlink:role="http://www.spok.com/role/ConsolidatedFinancialStatementsComponentsPropertyandEquipmentnetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_14b0431f-98b4-4d48-9271-4d7f657137f4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_6f35f58b-ea91-4edf-8bdf-3b97c79243b6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_14b0431f-98b4-4d48-9271-4d7f657137f4" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_6f35f58b-ea91-4edf-8bdf-3b97c79243b6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_547553db-b1f2-433c-b5eb-84d221d85ae3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_14b0431f-98b4-4d48-9271-4d7f657137f4" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_547553db-b1f2-433c-b5eb-84d221d85ae3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spok.com/role/AssetRetirementObligationsChangesintheAssetRetirementObligationLiabilitiesDetails" xlink:type="simple" xlink:href="spok-20251231.xsd#AssetRetirementObligationsChangesintheAssetRetirementObligationLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.spok.com/role/AssetRetirementObligationsChangesintheAssetRetirementObligationLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligation_125eaaf3-47d1-4cb1-9189-7482add071fd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetRetirementObligation"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationsNoncurrent_2b0a05bd-eece-46b0-adf4-7ee0506e78ce" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetRetirementObligationsNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetRetirementObligation_125eaaf3-47d1-4cb1-9189-7482add071fd" xlink:to="loc_us-gaap_AssetRetirementObligationsNoncurrent_2b0a05bd-eece-46b0-adf4-7ee0506e78ce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationCurrent_044bab88-fdd4-4c84-8065-7549b0375606" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetRetirementObligationCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetRetirementObligation_125eaaf3-47d1-4cb1-9189-7482add071fd" xlink:to="loc_us-gaap_AssetRetirementObligationCurrent_044bab88-fdd4-4c84-8065-7549b0375606" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spok.com/role/IncomeTaxesComponentsofIncomeTaxExpenseAttributabletoCurrentOperationsDetails" xlink:type="simple" xlink:href="spok-20251231.xsd#IncomeTaxesComponentsofIncomeTaxExpenseAttributabletoCurrentOperationsDetails"/>
  <link:calculationLink xlink:role="http://www.spok.com/role/IncomeTaxesComponentsofIncomeTaxExpenseAttributabletoCurrentOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_61722054-7071-4123-8798-6c0da010190a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_6a2a5c8e-ddf2-4d11-a6d7-d885d8aaf667" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_61722054-7071-4123-8798-6c0da010190a" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_6a2a5c8e-ddf2-4d11-a6d7-d885d8aaf667" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_04c2bbed-d442-43ba-9980-84bd16d42c77" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_61722054-7071-4123-8798-6c0da010190a" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_04c2bbed-d442-43ba-9980-84bd16d42c77" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_073bbd98-497f-4fd1-8a97-97d2b931e1d2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_61722054-7071-4123-8798-6c0da010190a" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_073bbd98-497f-4fd1-8a97-97d2b931e1d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_adea233f-c771-4680-9358-b3fe0be20d1f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_9863f6b9-9d98-46dc-9dec-2fef6d103df8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_adea233f-c771-4680-9358-b3fe0be20d1f" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_9863f6b9-9d98-46dc-9dec-2fef6d103df8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_7b972d22-cbba-4246-a043-a486291b66ad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_adea233f-c771-4680-9358-b3fe0be20d1f" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_7b972d22-cbba-4246-a043-a486291b66ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_834d64b4-251b-49fa-9423-2846f6417e86" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_e091fb48-aad2-4938-a2ae-db417c4774bd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_834d64b4-251b-49fa-9423-2846f6417e86" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_e091fb48-aad2-4938-a2ae-db417c4774bd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_9f01f062-f4d8-4fd8-8650-1e09e95ff870" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_834d64b4-251b-49fa-9423-2846f6417e86" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_9f01f062-f4d8-4fd8-8650-1e09e95ff870" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_11dafe75-b178-4606-b789-23f21633eab4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentForeignTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_834d64b4-251b-49fa-9423-2846f6417e86" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_11dafe75-b178-4606-b789-23f21633eab4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spok.com/role/IncomeTaxesTaxPaymentsandRefundDetails" xlink:type="simple" xlink:href="spok-20251231.xsd#IncomeTaxesTaxPaymentsandRefundDetails"/>
  <link:calculationLink xlink:role="http://www.spok.com/role/IncomeTaxesTaxPaymentsandRefundDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_019c32fb-e86c-70b9-9999-9e82a2f91dc7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxesPaidNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived_019c32fb-e86c-7a36-a1f2-cff0454acb63" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_019c32fb-e86c-70b9-9999-9e82a2f91dc7" xlink:to="loc_us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived_019c32fb-e86c-7a36-a1f2-cff0454acb63" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxPaidForeignAfterRefundReceived_019c32fb-e86c-7c12-b34c-e4f672180285" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxPaidForeignAfterRefundReceived"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxesPaidNet_019c32fb-e86c-70b9-9999-9e82a2f91dc7" xlink:to="loc_us-gaap_IncomeTaxPaidForeignAfterRefundReceived_019c32fb-e86c-7c12-b34c-e4f672180285" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spok.com/role/IncomeTaxesAdditionalInformationDetails" xlink:type="simple" xlink:href="spok-20251231.xsd#IncomeTaxesAdditionalInformationDetails"/>
  <link:calculationLink xlink:role="http://www.spok.com/role/IncomeTaxesAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwards_20ec9308-6a45-4c20-b86f-0fef0a31afa3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLossCarryforwards"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_OperatingLossCarryforwardsSubjectToExpiration_a86cd89b-341e-424a-bcf0-03ca5e8d61b2" xlink:href="spok-20251231.xsd#spok_OperatingLossCarryforwardsSubjectToExpiration"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLossCarryforwards_20ec9308-6a45-4c20-b86f-0fef0a31afa3" xlink:to="loc_spok_OperatingLossCarryforwardsSubjectToExpiration_a86cd89b-341e-424a-bcf0-03ca5e8d61b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_OperatingLossCarryforwardsIndefiniteLived_458ed004-32bc-4311-b080-11134d027be8" xlink:href="spok-20251231.xsd#spok_OperatingLossCarryforwardsIndefiniteLived"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLossCarryforwards_20ec9308-6a45-4c20-b86f-0fef0a31afa3" xlink:to="loc_spok_OperatingLossCarryforwardsIndefiniteLived_458ed004-32bc-4311-b080-11134d027be8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spok.com/role/IncomeTaxesEffectiveTaxRateReconciliationDetails" xlink:type="simple" xlink:href="spok-20251231.xsd#IncomeTaxesEffectiveTaxRateReconciliationDetails"/>
  <link:calculationLink xlink:role="http://www.spok.com/role/IncomeTaxesEffectiveTaxRateReconciliationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_9da984d2-922b-495b-935e-3206c0e67a87" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_ee23eb84-3c77-42a8-845c-5d5c2240a393" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_9da984d2-922b-495b-935e-3206c0e67a87" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_ee23eb84-3c77-42a8-845c-5d5c2240a393" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_eb468088-a5b6-40fe-95b7-d3434cd67299" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_9da984d2-922b-495b-935e-3206c0e67a87" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_eb468088-a5b6-40fe-95b7-d3434cd67299" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_773f4f7d-753a-4fb6-aa31-5cce5777ce0c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_9da984d2-922b-495b-935e-3206c0e67a87" xlink:to="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_773f4f7d-753a-4fb6-aa31-5cce5777ce0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExcessExecutiveCompensationAmount_c623d235-57b2-4213-b747-6a85b585c962" xlink:href="spok-20251231.xsd#spok_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExcessExecutiveCompensationAmount"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_9da984d2-922b-495b-935e-3206c0e67a87" xlink:to="loc_spok_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExcessExecutiveCompensationAmount_c623d235-57b2-4213-b747-6a85b585c962" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount_68839a1a-4a59-4298-907b-e51111eba458" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_9da984d2-922b-495b-935e-3206c0e67a87" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount_68839a1a-4a59-4298-907b-e51111eba458" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxExemptIncome_d821c366-af26-4ab5-8b8f-bac02142a24b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationTaxExemptIncome"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_9da984d2-922b-495b-935e-3206c0e67a87" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxExemptIncome_d821c366-af26-4ab5-8b8f-bac02142a24b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_019b9d65-224e-779a-bcc7-253463c661c5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_9da984d2-922b-495b-935e-3206c0e67a87" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_019b9d65-224e-779a-bcc7-253463c661c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxCredits_019c7245-0146-7661-9110-421f908164ce" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationTaxCredits"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_9da984d2-922b-495b-935e-3206c0e67a87" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxCredits_019c7245-0146-7661-9110-421f908164ce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_b801ad25-9f2d-4918-8138-848834dd0d36" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_3159d888-312c-4ec5-ac1c-124628f1623d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_b801ad25-9f2d-4918-8138-848834dd0d36" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_3159d888-312c-4ec5-ac1c-124628f1623d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_75082536-1034-4b38-ac2b-3b273c56d1a5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_b801ad25-9f2d-4918-8138-848834dd0d36" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_75082536-1034-4b38-ac2b-3b273c56d1a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_c2d810ab-cc35-4cca-bc77-fccc2384abc6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_b801ad25-9f2d-4918-8138-848834dd0d36" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_c2d810ab-cc35-4cca-bc77-fccc2384abc6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExcessExecutiveCompensationPercent_d222b457-46d7-44e5-a6af-3d72fbd1c562" xlink:href="spok-20251231.xsd#spok_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExcessExecutiveCompensationPercent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_b801ad25-9f2d-4918-8138-848834dd0d36" xlink:to="loc_spok_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExcessExecutiveCompensationPercent_d222b457-46d7-44e5-a6af-3d72fbd1c562" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent_69bb59e7-2c24-47e1-8cf1-1f2f589d6b34" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_b801ad25-9f2d-4918-8138-848834dd0d36" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent_69bb59e7-2c24-47e1-8cf1-1f2f589d6b34" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome_5bd03560-cf21-48a4-b976-a8c5d7ffb742" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_b801ad25-9f2d-4918-8138-848834dd0d36" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome_5bd03560-cf21-48a4-b976-a8c5d7ffb742" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_019b9d65-b77b-71d3-a40b-c73b77ecef70" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_b801ad25-9f2d-4918-8138-848834dd0d36" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_019b9d65-b77b-71d3-a40b-c73b77ecef70" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits_019c7245-1f4e-7393-af85-e8b3a85deb08" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_b801ad25-9f2d-4918-8138-848834dd0d36" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits_019c7245-1f4e-7393-af85-e8b3a85deb08" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spok.com/role/IncomeTaxesScheduleofDeferredIncomeTaxAssetsNetDetails" xlink:type="simple" xlink:href="spok-20251231.xsd#IncomeTaxesScheduleofDeferredIncomeTaxAssetsNetDetails"/>
  <link:calculationLink xlink:role="http://www.spok.com/role/IncomeTaxesScheduleofDeferredIncomeTaxAssetsNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_8ae56405-e212-487e-8751-ad8d3498973c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_365ef5b2-0004-4447-a642-deb6d8eb306e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_8ae56405-e212-487e-8751-ad8d3498973c" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_365ef5b2-0004-4447-a642-deb6d8eb306e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_DeferredTaxAssetsLiabilitiesGross_52bf7d3d-8f2d-4594-a77e-586f2ccf8777" xlink:href="spok-20251231.xsd#spok_DeferredTaxAssetsLiabilitiesGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_8ae56405-e212-487e-8751-ad8d3498973c" xlink:to="loc_spok_DeferredTaxAssetsLiabilitiesGross_52bf7d3d-8f2d-4594-a77e-586f2ccf8777" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_0e5f9604-002c-450a-a0d9-0a496e771805" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_23d058b1-b5fc-433b-a2bf-727954145f18" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_0e5f9604-002c-450a-a0d9-0a496e771805" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_23d058b1-b5fc-433b-a2bf-727954145f18" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_DeferredTaxAssetsOperatingLeaseLiabilities_5999b3f2-1dba-4dc6-82dc-304104450e3a" xlink:href="spok-20251231.xsd#spok_DeferredTaxAssetsOperatingLeaseLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_0e5f9604-002c-450a-a0d9-0a496e771805" xlink:to="loc_spok_DeferredTaxAssetsOperatingLeaseLiabilities_5999b3f2-1dba-4dc6-82dc-304104450e3a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_92171543-d0f9-4ecb-b1ae-c53eb594eee4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_0e5f9604-002c-450a-a0d9-0a496e771805" xlink:to="loc_us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_92171543-d0f9-4ecb-b1ae-c53eb594eee4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies_7974b0a1-4f98-43e2-9bf5-58243c0b2fb3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_0e5f9604-002c-450a-a0d9-0a496e771805" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies_7974b0a1-4f98-43e2-9bf5-58243c0b2fb3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_b5966e10-3f85-46d5-bad0-096004bd733c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_0e5f9604-002c-450a-a0d9-0a496e771805" xlink:to="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_b5966e10-3f85-46d5-bad0-096004bd733c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch_343a4a67-0ab6-419e-a5cd-82be1821c5cf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_0e5f9604-002c-450a-a0d9-0a496e771805" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch_343a4a67-0ab6-419e-a5cd-82be1821c5cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_13d321d2-4752-4234-8089-faa5ee968fef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwards"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_0e5f9604-002c-450a-a0d9-0a496e771805" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_13d321d2-4752-4234-8089-faa5ee968fef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_1ddd83d2-f2a3-42d7-96f4-7866a3f1ebbc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_0e5f9604-002c-450a-a0d9-0a496e771805" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_1ddd83d2-f2a3-42d7-96f4-7866a3f1ebbc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_31039e85-c0c4-406e-a111-74216072e8ef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsOther"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_0e5f9604-002c-450a-a0d9-0a496e771805" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_31039e85-c0c4-406e-a111-74216072e8ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_DeferredTaxAssetsLiabilitiesGross_6d11af0f-9675-41ba-9419-7cdea94ba55b" xlink:href="spok-20251231.xsd#spok_DeferredTaxAssetsLiabilitiesGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_1e0dfa9c-2992-4324-9a4a-fabea4fbf3b9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spok_DeferredTaxAssetsLiabilitiesGross_6d11af0f-9675-41ba-9419-7cdea94ba55b" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_1e0dfa9c-2992-4324-9a4a-fabea4fbf3b9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_bbac51b0-0aad-4bed-8e57-6aa4627cac20" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spok_DeferredTaxAssetsLiabilitiesGross_6d11af0f-9675-41ba-9419-7cdea94ba55b" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_bbac51b0-0aad-4bed-8e57-6aa4627cac20" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_e4031a4d-a73e-405d-8e32-4dbf6347c832" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPrepaidExpenses_8143f75b-f980-4d1b-912e-e5f4e1eaa60f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesPrepaidExpenses"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_e4031a4d-a73e-405d-8e32-4dbf6347c832" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPrepaidExpenses_8143f75b-f980-4d1b-912e-e5f4e1eaa60f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_ad1c1e0d-659b-4669-8483-d8a7dc8a5f2c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_e4031a4d-a73e-405d-8e32-4dbf6347c832" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_ad1c1e0d-659b-4669-8483-d8a7dc8a5f2c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_DeferredTaxLiabilitiesRightOfUseAssets_a5148c54-e79b-42a8-958a-c98ba449402a" xlink:href="spok-20251231.xsd#spok_DeferredTaxLiabilitiesRightOfUseAssets"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_e4031a4d-a73e-405d-8e32-4dbf6347c832" xlink:to="loc_spok_DeferredTaxLiabilitiesRightOfUseAssets_a5148c54-e79b-42a8-958a-c98ba449402a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spok.com/role/CommitmentsandContingenciesScheduleofFuturePaymentsUnderUnconditionalPurchaseObligationsDetails" xlink:type="simple" xlink:href="spok-20251231.xsd#CommitmentsandContingenciesScheduleofFuturePaymentsUnderUnconditionalPurchaseObligationsDetails"/>
  <link:calculationLink xlink:role="http://www.spok.com/role/CommitmentsandContingenciesScheduleofFuturePaymentsUnderUnconditionalPurchaseObligationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_019c7987-6baa-7515-b917-698284148e81" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary_019c7987-6baa-72b5-9478-b4c6037d03d5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_019c7987-6baa-7515-b917-698284148e81" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary_019c7987-6baa-72b5-9478-b4c6037d03d5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary_019c7987-6baa-7739-98eb-0a117fc1f5d6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_019c7987-6baa-7515-b917-698284148e81" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary_019c7987-6baa-7739-98eb-0a117fc1f5d6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_019c7987-6baa-7e33-8e54-479ae8bf970e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_019c7987-6baa-7515-b917-698284148e81" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_019c7987-6baa-7e33-8e54-479ae8bf970e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary_019c7987-6baa-7eb8-83e2-3320b071539b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_019c7987-6baa-7515-b917-698284148e81" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary_019c7987-6baa-7eb8-83e2-3320b071539b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_019c7987-6baa-7305-8c77-b2155b680a05" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_019c7987-6baa-7515-b917-698284148e81" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_019c7987-6baa-7305-8c77-b2155b680a05" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears_019c7987-6baa-74c1-8bfd-4ec9c2d2f60f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_019c7987-6baa-7515-b917-698284148e81" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears_019c7987-6baa-74c1-8bfd-4ec9c2d2f60f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.spok.com/role/CommitmentsandContingenciesScheduleofFutureMinimumLeasePaymentsDetails" xlink:type="simple" xlink:href="spok-20251231.xsd#CommitmentsandContingenciesScheduleofFutureMinimumLeasePaymentsDetails"/>
  <link:calculationLink xlink:role="http://www.spok.com/role/CommitmentsandContingenciesScheduleofFutureMinimumLeasePaymentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaid_fb1640c9-2287-4b9b-85b9-2d162636f9c9" xlink:href="spok-20251231.xsd#spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaid"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaidYearFive_1fceb5af-40be-4bc3-9b52-35feb9da2228" xlink:href="spok-20251231.xsd#spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaidYearFive"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaid_fb1640c9-2287-4b9b-85b9-2d162636f9c9" xlink:to="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaidYearFive_1fceb5af-40be-4bc3-9b52-35feb9da2228" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaidYearThree_78145ff9-18c4-46d8-bf16-a4b969f4ed82" xlink:href="spok-20251231.xsd#spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaidYearThree"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaid_fb1640c9-2287-4b9b-85b9-2d162636f9c9" xlink:to="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaidYearThree_78145ff9-18c4-46d8-bf16-a4b969f4ed82" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaidYearTwo_387f894e-1418-4883-a530-45653099a5a3" xlink:href="spok-20251231.xsd#spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaidYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaid_fb1640c9-2287-4b9b-85b9-2d162636f9c9" xlink:to="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaidYearTwo_387f894e-1418-4883-a530-45653099a5a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaidYearFour_0a887d01-69c0-4dd2-862e-506a5156efe9" xlink:href="spok-20251231.xsd#spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaidYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaid_fb1640c9-2287-4b9b-85b9-2d162636f9c9" xlink:to="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaidYearFour_0a887d01-69c0-4dd2-862e-506a5156efe9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaidAfterYearFive_60f3a637-2688-4264-93aa-f568e7d1425b" xlink:href="spok-20251231.xsd#spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaidAfterYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaid_fb1640c9-2287-4b9b-85b9-2d162636f9c9" xlink:to="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaidAfterYearFive_60f3a637-2688-4264-93aa-f568e7d1425b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaidYearOne_950ad40e-716b-4132-a2c1-f5f7721211fb" xlink:href="spok-20251231.xsd#spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaidYearOne"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaid_fb1640c9-2287-4b9b-85b9-2d162636f9c9" xlink:to="loc_spok_LesseeNoncancelableOperatingLeaseLiabilityToBePaidYearOne_950ad40e-716b-4132-a2c1-f5f7721211fb" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
