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    <link:label id="lab_win_InterestExpenseInterestRateSwaps_DD2D79C9D10C5B138169E5A8BECAE2AD_terseLabel_en-US" xlink:label="lab_win_InterestExpenseInterestRateSwaps_DD2D79C9D10C5B138169E5A8BECAE2AD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impact of interest rate swaps</link:label>
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    <link:label id="lab_win_InterestexpenseCapitalandOtherLeaseObligations_E2E0FC7157811D4BFE55E5A8BECAF821_terseLabel_en-US" xlink:label="lab_win_InterestexpenseCapitalandOtherLeaseObligations_E2E0FC7157811D4BFE55E5A8BECAF821" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest on capital and other lease obligations</link:label>
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    <link:label id="lab_us-gaap_InterestCostsIncurredCapitalized_05082775C909B52B1D71E5A8BECAB365_label_en-US" xlink:label="lab_us-gaap_InterestCostsIncurredCapitalized_05082775C909B52B1D71E5A8BECAB365" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capitalized Interest Costs, Including Allowance for Funds Used During Construction</link:label>
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    <link:label id="lab_us-gaap_InterestExpense_1B9BA478CAD9713319E3E5A8BECAEB37_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpense_1B9BA478CAD9713319E3E5A8BECAEB37" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total interest expense</link:label>
    <link:label id="lab_us-gaap_InterestExpense_1B9BA478CAD9713319E3E5A8BECAEB37_label_en-US" xlink:label="lab_us-gaap_InterestExpense_1B9BA478CAD9713319E3E5A8BECAEB37" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_1B9BA478CAD9713319E3E5A8BECAEB37" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongTermDebtRollingMaturityAbstract_BDF256A8AD21C17DDBDC1BE9B25E020A_label_en-US" xlink:label="lab_us-gaap_LongTermDebtRollingMaturityAbstract_BDF256A8AD21C17DDBDC1BE9B25E020A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Rolling Maturity [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtRollingMaturityAbstract" xlink:label="loc_us-gaap_LongTermDebtRollingMaturityAbstract_BDF256A8AD21C17DDBDC1BE9B25E020A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtRollingMaturityAbstract_BDF256A8AD21C17DDBDC1BE9B25E020A" xlink:to="lab_us-gaap_LongTermDebtRollingMaturityAbstract_BDF256A8AD21C17DDBDC1BE9B25E020A" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths_18158D75768F9F8008891BE9B26ED165_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths_18158D75768F9F8008891BE9B26ED165" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths_18158D75768F9F8008891BE9B26ED165_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths_18158D75768F9F8008891BE9B26ED165" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Next Rolling Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths_18158D75768F9F8008891BE9B26ED165" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths_18158D75768F9F8008891BE9B26ED165" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths_18158D75768F9F8008891BE9B26ED165" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo_9BD736C941CB3E2232851BE9B26EBF77_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo_9BD736C941CB3E2232851BE9B26EBF77" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo_9BD736C941CB3E2232851BE9B26EBF77_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo_9BD736C941CB3E2232851BE9B26EBF77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Rolling Year Two</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo_9BD736C941CB3E2232851BE9B26EBF77" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo_9BD736C941CB3E2232851BE9B26EBF77" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo_9BD736C941CB3E2232851BE9B26EBF77" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearThree_262A4D93A174BA91E3721BE9B26E9D49_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearThree_262A4D93A174BA91E3721BE9B26E9D49" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2018</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearThree" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearThree_262A4D93A174BA91E3721BE9B26E9D49" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearThree_262A4D93A174BA91E3721BE9B26E9D49" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearThree_262A4D93A174BA91E3721BE9B26E9D49" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFour_6E67DD2215CA39F7FCBE1BE9B26EFE86_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFour_6E67DD2215CA39F7FCBE1BE9B26EFE86" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2019</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFour" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFour_6E67DD2215CA39F7FCBE1BE9B26EFE86" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFour_6E67DD2215CA39F7FCBE1BE9B26EFE86" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFour_6E67DD2215CA39F7FCBE1BE9B26EFE86" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFive_F52E207D276787A48E421BE9B26E06A4_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFive_F52E207D276787A48E421BE9B26E06A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2020</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFive_F52E207D276787A48E421BE9B26E06A4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFive_F52E207D276787A48E421BE9B26E06A4" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFive_F52E207D276787A48E421BE9B26E06A4" xlink:type="arc" />
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    <link:label id="lab_win_Notes2017Member_5BC9803A24986039D5072A622F05D31A_documentation_en-US" xlink:label="lab_win_Notes2017Member_5BC9803A24986039D5072A622F05D31A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes 7.875 Percent due 2017 [Member]</link:label>
    <link:loc xlink:href="win-20150331.xsd#win_Notes2017Member" xlink:label="loc_win_Notes2017Member_5BC9803A24986039D5072A622F05D31A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_win_Notes2017Member_5BC9803A24986039D5072A622F05D31A" xlink:to="lab_win_Notes2017Member_5BC9803A24986039D5072A622F05D31A" xlink:type="arc" />
    <link:label id="lab_win_Notes2018Member_88E477AD8B306F881C362A622F054408_terseLabel_en-US" xlink:label="lab_win_Notes2018Member_88E477AD8B306F881C362A622F054408" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2018 Notes - 8.125%, due September 1, 2018</link:label>
    <link:label id="lab_win_Notes2018Member_88E477AD8B306F881C362A622F054408_label_en-US" xlink:label="lab_win_Notes2018Member_88E477AD8B306F881C362A622F054408" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes 2018 [Member]</link:label>
    <link:label id="lab_win_Notes2018Member_88E477AD8B306F881C362A622F054408_documentation_en-US" xlink:label="lab_win_Notes2018Member_88E477AD8B306F881C362A622F054408" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes 8.125 Percent due 2018 [Member]</link:label>
    <link:loc xlink:href="win-20150331.xsd#win_Notes2018Member" xlink:label="loc_win_Notes2018Member_88E477AD8B306F881C362A622F054408" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_win_Notes2018Member_88E477AD8B306F881C362A622F054408" xlink:to="lab_win_Notes2018Member_88E477AD8B306F881C362A622F054408" xlink:type="arc" />
    <link:label id="lab_win_Notes2020Member_BFD009E0D50E00E117EC2A622F05C49A_terseLabel_en-US" xlink:label="lab_win_Notes2020Member_BFD009E0D50E00E117EC2A622F05C49A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2020 Notes - 7.750%, due October 15, 2020</link:label>
    <link:label id="lab_win_Notes2020Member_BFD009E0D50E00E117EC2A622F05C49A_label_en-US" xlink:label="lab_win_Notes2020Member_BFD009E0D50E00E117EC2A622F05C49A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes 2020 [Member]</link:label>
    <link:label id="lab_win_Notes2020Member_BFD009E0D50E00E117EC2A622F05C49A_documentation_en-US" xlink:label="lab_win_Notes2020Member_BFD009E0D50E00E117EC2A622F05C49A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes 7.750 Percent due 2020 [Member]</link:label>
    <link:loc xlink:href="win-20150331.xsd#win_Notes2020Member" xlink:label="loc_win_Notes2020Member_BFD009E0D50E00E117EC2A622F05C49A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_win_Notes2020Member_BFD009E0D50E00E117EC2A622F05C49A" xlink:to="lab_win_Notes2020Member_BFD009E0D50E00E117EC2A622F05C49A" xlink:type="arc" />
    <link:label id="lab_win_Notes2021Member_88B33F5E537F36D49BF62A622F052221_terseLabel_en-US" xlink:label="lab_win_Notes2021Member_88B33F5E537F36D49BF62A622F052221" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2021 Notes - 7.750% due October 1, 2021</link:label>
    <link:label id="lab_win_Notes2021Member_88B33F5E537F36D49BF62A622F052221_label_en-US" xlink:label="lab_win_Notes2021Member_88B33F5E537F36D49BF62A622F052221" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes 2021 [Member]</link:label>
    <link:label id="lab_win_Notes2021Member_88B33F5E537F36D49BF62A622F052221_documentation_en-US" xlink:label="lab_win_Notes2021Member_88B33F5E537F36D49BF62A622F052221" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes 7.750 Percent Due 2021 [Member]</link:label>
    <link:loc xlink:href="win-20150331.xsd#win_Notes2021Member" xlink:label="loc_win_Notes2021Member_88B33F5E537F36D49BF62A622F052221" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_win_Notes2021Member_88B33F5E537F36D49BF62A622F052221" xlink:to="lab_win_Notes2021Member_88B33F5E537F36D49BF62A622F052221" xlink:type="arc" />
    <link:label id="lab_win_NotesJune2022Member_D9AA5FA985A86A714C0C2A622F057802_terseLabel_en-US" xlink:label="lab_win_NotesJune2022Member_D9AA5FA985A86A714C0C2A622F057802" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2022 Notes - 7.500% due June 1, 2022</link:label>
    <link:label id="lab_win_NotesJune2022Member_D9AA5FA985A86A714C0C2A622F057802_label_en-US" xlink:label="lab_win_NotesJune2022Member_D9AA5FA985A86A714C0C2A622F057802" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes, June 2022 [Member]</link:label>
    <link:label id="lab_win_NotesJune2022Member_D9AA5FA985A86A714C0C2A622F057802_documentation_en-US" xlink:label="lab_win_NotesJune2022Member_D9AA5FA985A86A714C0C2A622F057802" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes, June 2022 [Member]</link:label>
    <link:loc xlink:href="win-20150331.xsd#win_NotesJune2022Member" xlink:label="loc_win_NotesJune2022Member_D9AA5FA985A86A714C0C2A622F057802" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_win_NotesJune2022Member_D9AA5FA985A86A714C0C2A622F057802" xlink:to="lab_win_NotesJune2022Member_D9AA5FA985A86A714C0C2A622F057802" xlink:type="arc" />
    <link:label id="lab_win_Notes2023Member_19B10A07FDFB88041DC42A622F05DC7A_terseLabel_en-US" xlink:label="lab_win_Notes2023Member_19B10A07FDFB88041DC42A622F05DC7A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2023 Notes - 7.500% due April 1, 2023</link:label>
    <link:label id="lab_win_Notes2023Member_19B10A07FDFB88041DC42A622F05DC7A_label_en-US" xlink:label="lab_win_Notes2023Member_19B10A07FDFB88041DC42A622F05DC7A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes 2023 [Member]</link:label>
    <link:label id="lab_win_Notes2023Member_19B10A07FDFB88041DC42A622F05DC7A_documentation_en-US" xlink:label="lab_win_Notes2023Member_19B10A07FDFB88041DC42A622F05DC7A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes 7.500 Percent Due 2023 [Member]</link:label>
    <link:loc xlink:href="win-20150331.xsd#win_Notes2023Member" xlink:label="loc_win_Notes2023Member_19B10A07FDFB88041DC42A622F05DC7A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_win_Notes2023Member_19B10A07FDFB88041DC42A622F05DC7A" xlink:to="lab_win_Notes2023Member_19B10A07FDFB88041DC42A622F05DC7A" xlink:type="arc" />
    <link:label id="lab_win_Notes2023MemberMember_78A4C4D2AD2944739C912A622F0595D2_terseLabel_en-US" xlink:label="lab_win_Notes2023MemberMember_78A4C4D2AD2944739C912A622F0595D2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2023 Notes - 6.375%, due August 1, 2023</link:label>
    <link:label id="lab_win_Notes2023MemberMember_78A4C4D2AD2944739C912A622F0595D2_label_en-US" xlink:label="lab_win_Notes2023MemberMember_78A4C4D2AD2944739C912A622F0595D2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes 2023 [Member] [Member]</link:label>
    <link:label id="lab_win_Notes2023MemberMember_78A4C4D2AD2944739C912A622F0595D2_documentation_en-US" xlink:label="lab_win_Notes2023MemberMember_78A4C4D2AD2944739C912A622F0595D2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes 6.375 Percent due 2023</link:label>
    <link:loc xlink:href="win-20150331.xsd#win_Notes2023MemberMember" xlink:label="loc_win_Notes2023MemberMember_78A4C4D2AD2944739C912A622F0595D2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_win_Notes2023MemberMember_78A4C4D2AD2944739C912A622F0595D2" xlink:to="lab_win_Notes2023MemberMember_78A4C4D2AD2944739C912A622F0595D2" xlink:type="arc" />
    <link:label id="lab_win_Notes2028Member_103EAD6A4858FD2242612A622F05B289_terseLabel_en-US" xlink:label="lab_win_Notes2028Member_103EAD6A4858FD2242612A622F05B289" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">6.75%, due April 1, 2028</link:label>
    <link:label id="lab_win_Notes2028Member_103EAD6A4858FD2242612A622F05B289_label_en-US" xlink:label="lab_win_Notes2028Member_103EAD6A4858FD2242612A622F05B289" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes 2028 [Member]</link:label>
    <link:label id="lab_win_Notes2028Member_103EAD6A4858FD2242612A622F05B289_documentation_en-US" xlink:label="lab_win_Notes2028Member_103EAD6A4858FD2242612A622F05B289" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">6.75% Notes Due 2028 [Member]</link:label>
    <link:loc xlink:href="win-20150331.xsd#win_Notes2028Member" xlink:label="loc_win_Notes2028Member_103EAD6A4858FD2242612A622F05B289" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_win_Notes2028Member_103EAD6A4858FD2242612A622F05B289" xlink:to="lab_win_Notes2028Member_103EAD6A4858FD2242612A622F05B289" xlink:type="arc" />
    <link:label id="lab_win_Notes2022Member_423AA5BA80E13AC39E5A2A622F054F11_terseLabel_en-US" xlink:label="lab_win_Notes2022Member_423AA5BA80E13AC39E5A2A622F054F11" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">6.58%, due January 1, 2022</link:label>
    <link:label id="lab_win_Notes2022Member_423AA5BA80E13AC39E5A2A622F054F11_label_en-US" xlink:label="lab_win_Notes2022Member_423AA5BA80E13AC39E5A2A622F054F11" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes 2022 [Member]</link:label>
    <link:label id="lab_win_Notes2022Member_423AA5BA80E13AC39E5A2A622F054F11_documentation_en-US" xlink:label="lab_win_Notes2022Member_423AA5BA80E13AC39E5A2A622F054F11" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">6.58%, due January 1, 2022</link:label>
    <link:loc xlink:href="win-20150331.xsd#win_Notes2022Member" xlink:label="loc_win_Notes2022Member_423AA5BA80E13AC39E5A2A622F054F11" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_win_Notes2022Member_423AA5BA80E13AC39E5A2A622F054F11" xlink:to="lab_win_Notes2022Member_423AA5BA80E13AC39E5A2A622F054F11" xlink:type="arc" />
    <link:label id="lab_win_NotesDecember2018Member_A72B84614682113AF1612A622F05DC85_terseLabel_en-US" xlink:label="lab_win_NotesDecember2018Member_A72B84614682113AF1612A622F05DC85" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2018 Notes - 9.875% due December 1, 2018</link:label>
    <link:label id="lab_win_NotesDecember2018Member_A72B84614682113AF1612A622F05DC85_label_en-US" xlink:label="lab_win_NotesDecember2018Member_A72B84614682113AF1612A622F05DC85" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes, December 2018 [Member]</link:label>
    <link:label id="lab_win_NotesDecember2018Member_A72B84614682113AF1612A622F05DC85_documentation_en-US" xlink:label="lab_win_NotesDecember2018Member_A72B84614682113AF1612A622F05DC85" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes, December 2018 [Member]</link:label>
    <link:loc xlink:href="win-20150331.xsd#win_NotesDecember2018Member" xlink:label="loc_win_NotesDecember2018Member_A72B84614682113AF1612A622F05DC85" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_win_NotesDecember2018Member_A72B84614682113AF1612A622F05DC85" xlink:to="lab_win_NotesDecember2018Member_A72B84614682113AF1612A622F05DC85" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_5BCC6E90EB2FADB4E8432A622F05E86E_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_5BCC6E90EB2FADB4E8432A622F05E86E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Line Items]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_5BCC6E90EB2FADB4E8432A622F05E86E_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_5BCC6E90EB2FADB4E8432A622F05E86E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_5BCC6E90EB2FADB4E8432A622F05E86E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_69F233C3991B1DDCB63E2A622F052BF1_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_69F233C3991B1DDCB63E2A622F052BF1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_69F233C3991B1DDCB63E2A622F052BF1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_1FE7EE08DA288E6B03B62A622F05EA8C_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_1FE7EE08DA288E6B03B62A622F05EA8C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_1FE7EE08DA288E6B03B62A622F05EA8C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_6C86E629B20C0D0CE8782A622F057498_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_6C86E629B20C0D0CE8782A622F057498" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_6C86E629B20C0D0CE8782A622F057498_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_6C86E629B20C0D0CE8782A622F057498" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_6C86E629B20C0D0CE8782A622F057498" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProductsAndServicesDomain_56CF9686EA88F0DDE40829C05019E99A_terseLabel_en-US" xlink:label="lab_us-gaap_ProductsAndServicesDomain_56CF9686EA88F0DDE40829C05019E99A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Service revenues:</link:label>
    <link:label id="lab_us-gaap_ProductsAndServicesDomain_56CF9686EA88F0DDE40829C05019E99A_label_en-US" xlink:label="lab_us-gaap_ProductsAndServicesDomain_56CF9686EA88F0DDE40829C05019E99A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Products and Services [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_56CF9686EA88F0DDE40829C05019E99A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductsAndServicesDomain_56CF9686EA88F0DDE40829C05019E99A" xlink:to="lab_us-gaap_ProductsAndServicesDomain_56CF9686EA88F0DDE40829C05019E99A" xlink:type="arc" />
    <link:label id="lab_win_BusinessServiceRevenueDomain_41795A100DE25760D17E29C05019AB6C_terseLabel_en-US" xlink:label="lab_win_BusinessServiceRevenueDomain_41795A100DE25760D17E29C05019AB6C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Enterprise and small business</link:label>
    <link:label id="lab_win_BusinessServiceRevenueDomain_41795A100DE25760D17E29C05019AB6C_label_en-US" xlink:label="lab_win_BusinessServiceRevenueDomain_41795A100DE25760D17E29C05019AB6C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Service Revenue [Domain]</link:label>
    <link:label id="lab_win_BusinessServiceRevenueDomain_41795A100DE25760D17E29C05019AB6C_documentation_en-US" xlink:label="lab_win_BusinessServiceRevenueDomain_41795A100DE25760D17E29C05019AB6C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Business Service Revenue not currently defined in taxonomy [Domain]</link:label>
    <link:loc xlink:href="win-20150331.xsd#win_BusinessServiceRevenueDomain" xlink:label="loc_win_BusinessServiceRevenueDomain_41795A100DE25760D17E29C05019AB6C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_win_BusinessServiceRevenueDomain_41795A100DE25760D17E29C05019AB6C" xlink:to="lab_win_BusinessServiceRevenueDomain_41795A100DE25760D17E29C05019AB6C" xlink:type="arc" />
    <link:label id="lab_win_ConsumerServiceRevenueDomain_5BA2273A9DD0FADAD03929C05019187D_terseLabel_en-US" xlink:label="lab_win_ConsumerServiceRevenueDomain_5BA2273A9DD0FADAD03929C05019187D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consumer</link:label>
    <link:label id="lab_win_ConsumerServiceRevenueDomain_5BA2273A9DD0FADAD03929C05019187D_label_en-US" xlink:label="lab_win_ConsumerServiceRevenueDomain_5BA2273A9DD0FADAD03929C05019187D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consumer Service Revenue [Domain]</link:label>
    <link:label id="lab_win_ConsumerServiceRevenueDomain_5BA2273A9DD0FADAD03929C05019187D_documentation_en-US" xlink:label="lab_win_ConsumerServiceRevenueDomain_5BA2273A9DD0FADAD03929C05019187D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consumer Service Revenue not currently defined in taxonomy [Domain]</link:label>
    <link:loc xlink:href="win-20150331.xsd#win_ConsumerServiceRevenueDomain" xlink:label="loc_win_ConsumerServiceRevenueDomain_5BA2273A9DD0FADAD03929C05019187D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_win_ConsumerServiceRevenueDomain_5BA2273A9DD0FADAD03929C05019187D" xlink:to="lab_win_ConsumerServiceRevenueDomain_5BA2273A9DD0FADAD03929C05019187D" xlink:type="arc" />
    <link:label id="lab_win_CarrierservicerevenueDomain_2265FF69353739AEDB2B29C05019B379_terseLabel_en-US" xlink:label="lab_win_CarrierservicerevenueDomain_2265FF69353739AEDB2B29C05019B379" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrier</link:label>
    <link:label id="lab_win_CarrierservicerevenueDomain_2265FF69353739AEDB2B29C05019B379_label_en-US" xlink:label="lab_win_CarrierservicerevenueDomain_2265FF69353739AEDB2B29C05019B379" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Carrier service revenue [Domain]</link:label>
    <link:label id="lab_win_CarrierservicerevenueDomain_2265FF69353739AEDB2B29C05019B379_documentation_en-US" xlink:label="lab_win_CarrierservicerevenueDomain_2265FF69353739AEDB2B29C05019B379" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Carrier service revenue [Domain]</link:label>
    <link:loc xlink:href="win-20150331.xsd#win_CarrierservicerevenueDomain" xlink:label="loc_win_CarrierservicerevenueDomain_2265FF69353739AEDB2B29C05019B379" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_win_CarrierservicerevenueDomain_2265FF69353739AEDB2B29C05019B379" xlink:to="lab_win_CarrierservicerevenueDomain_2265FF69353739AEDB2B29C05019B379" xlink:type="arc" />
    <link:label id="lab_win_WholesaleServiceRevenueDomain_CD9D413022EB7AF295F229C05019E009_terseLabel_en-US" xlink:label="lab_win_WholesaleServiceRevenueDomain_CD9D413022EB7AF295F229C05019E009" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Wholesale</link:label>
    <link:label id="lab_win_WholesaleServiceRevenueDomain_CD9D413022EB7AF295F229C05019E009_label_en-US" xlink:label="lab_win_WholesaleServiceRevenueDomain_CD9D413022EB7AF295F229C05019E009" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Wholesale Service Revenue [Domain]</link:label>
    <link:label id="lab_win_WholesaleServiceRevenueDomain_CD9D413022EB7AF295F229C05019E009_documentation_en-US" xlink:label="lab_win_WholesaleServiceRevenueDomain_CD9D413022EB7AF295F229C05019E009" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Wholesale Service Revenue not currently defined in taxonomy [Domain]</link:label>
    <link:loc xlink:href="win-20150331.xsd#win_WholesaleServiceRevenueDomain" xlink:label="loc_win_WholesaleServiceRevenueDomain_CD9D413022EB7AF295F229C05019E009" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_win_WholesaleServiceRevenueDomain_CD9D413022EB7AF295F229C05019E009" xlink:to="lab_win_WholesaleServiceRevenueDomain_CD9D413022EB7AF295F229C05019E009" xlink:type="arc" />
    <link:label id="lab_win_OtherServiceRevenueDomain_707FEA4CD531D5BE0EA629C0501982B4_terseLabel_en-US" xlink:label="lab_win_OtherServiceRevenueDomain_707FEA4CD531D5BE0EA629C0501982B4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_win_OtherServiceRevenueDomain_707FEA4CD531D5BE0EA629C0501982B4_label_en-US" xlink:label="lab_win_OtherServiceRevenueDomain_707FEA4CD531D5BE0EA629C0501982B4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Service Revenue [Domain]</link:label>
    <link:label id="lab_win_OtherServiceRevenueDomain_707FEA4CD531D5BE0EA629C0501982B4_documentation_en-US" xlink:label="lab_win_OtherServiceRevenueDomain_707FEA4CD531D5BE0EA629C0501982B4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Service Revenue not currently defined in taxonomy [Domain]</link:label>
    <link:loc xlink:href="win-20150331.xsd#win_OtherServiceRevenueDomain" xlink:label="loc_win_OtherServiceRevenueDomain_707FEA4CD531D5BE0EA629C0501982B4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_win_OtherServiceRevenueDomain_707FEA4CD531D5BE0EA629C0501982B4" xlink:to="lab_win_OtherServiceRevenueDomain_707FEA4CD531D5BE0EA629C0501982B4" xlink:type="arc" />
    <link:label id="lab_us-gaap_RevenuesAbstract_3332CAEF3C00CA81A2FF29C0501913FE_terseLabel_en-US" xlink:label="lab_us-gaap_RevenuesAbstract_3332CAEF3C00CA81A2FF29C0501913FE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenues and sales:</link:label>
    <link:label id="lab_us-gaap_RevenuesAbstract_3332CAEF3C00CA81A2FF29C0501913FE_label_en-US" xlink:label="lab_us-gaap_RevenuesAbstract_3332CAEF3C00CA81A2FF29C0501913FE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenues [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="loc_us-gaap_RevenuesAbstract_3332CAEF3C00CA81A2FF29C0501913FE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenuesAbstract_3332CAEF3C00CA81A2FF29C0501913FE" xlink:to="lab_us-gaap_RevenuesAbstract_3332CAEF3C00CA81A2FF29C0501913FE" xlink:type="arc" />
    <link:label id="lab_us-gaap_SalesRevenueServicesNetAbstract_F5D7B73AE3B33E7B7F2429C05019F0A1_terseLabel_en-US" xlink:label="lab_us-gaap_SalesRevenueServicesNetAbstract_F5D7B73AE3B33E7B7F2429C05019F0A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Service revenues:</link:label>
    <link:label id="lab_us-gaap_SalesRevenueServicesNetAbstract_F5D7B73AE3B33E7B7F2429C05019F0A1_label_en-US" xlink:label="lab_us-gaap_SalesRevenueServicesNetAbstract_F5D7B73AE3B33E7B7F2429C05019F0A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales Revenue, Services, Net [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalesRevenueServicesNetAbstract" xlink:label="loc_us-gaap_SalesRevenueServicesNetAbstract_F5D7B73AE3B33E7B7F2429C05019F0A1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SalesRevenueServicesNetAbstract_F5D7B73AE3B33E7B7F2429C05019F0A1" xlink:to="lab_us-gaap_SalesRevenueServicesNetAbstract_F5D7B73AE3B33E7B7F2429C05019F0A1" xlink:type="arc" />
    <link:label id="lab_us-gaap_SalesRevenueServicesNet_E8CAC9536BFB1A8B54A829C05019745C_verboseLabel_en-US" xlink:label="lab_us-gaap_SalesRevenueServicesNet_E8CAC9536BFB1A8B54A829C05019745C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Total service revenues</link:label>
    <link:label id="lab_us-gaap_SalesRevenueServicesNet_E8CAC9536BFB1A8B54A829C05019745C_label_en-US" xlink:label="lab_us-gaap_SalesRevenueServicesNet_E8CAC9536BFB1A8B54A829C05019745C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales Revenue, Services, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalesRevenueServicesNet" xlink:label="loc_us-gaap_SalesRevenueServicesNet_E8CAC9536BFB1A8B54A829C05019745C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SalesRevenueServicesNet_E8CAC9536BFB1A8B54A829C05019745C" xlink:to="lab_us-gaap_SalesRevenueServicesNet_E8CAC9536BFB1A8B54A829C05019745C" xlink:type="arc" />
    <link:label id="lab_us-gaap_SalesRevenueGoodsNet_3A75E26FE55AB536214129C050193497_terseLabel_en-US" xlink:label="lab_us-gaap_SalesRevenueGoodsNet_3A75E26FE55AB536214129C050193497" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Product sales</link:label>
    <link:label id="lab_us-gaap_SalesRevenueGoodsNet_3A75E26FE55AB536214129C050193497_label_en-US" xlink:label="lab_us-gaap_SalesRevenueGoodsNet_3A75E26FE55AB536214129C050193497" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales Revenue, Goods, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalesRevenueGoodsNet" xlink:label="loc_us-gaap_SalesRevenueGoodsNet_3A75E26FE55AB536214129C050193497" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SalesRevenueGoodsNet_3A75E26FE55AB536214129C050193497" xlink:to="lab_us-gaap_SalesRevenueGoodsNet_3A75E26FE55AB536214129C050193497" xlink:type="arc" />
    <link:label id="lab_us-gaap_SalesRevenueNet_030676590CAA46E96D5329C050193E14_totalLabel_en-US" xlink:label="lab_us-gaap_SalesRevenueNet_030676590CAA46E96D5329C050193E14" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total revenues and sales</link:label>
    <link:label id="lab_us-gaap_SalesRevenueNet_030676590CAA46E96D5329C050193E14_label_en-US" xlink:label="lab_us-gaap_SalesRevenueNet_030676590CAA46E96D5329C050193E14" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_030676590CAA46E96D5329C050193E14" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SalesRevenueNet_030676590CAA46E96D5329C050193E14" xlink:to="lab_us-gaap_SalesRevenueNet_030676590CAA46E96D5329C050193E14" xlink:type="arc" />
    <link:label id="lab_us-gaap_CostsAndExpensesAbstract_1D282C2C220296D3467B29C050192CD1_terseLabel_en-US" xlink:label="lab_us-gaap_CostsAndExpensesAbstract_1D282C2C220296D3467B29C050192CD1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Costs and expenses:</link:label>
    <link:label id="lab_us-gaap_CostsAndExpensesAbstract_1D282C2C220296D3467B29C050192CD1_label_en-US" xlink:label="lab_us-gaap_CostsAndExpensesAbstract_1D282C2C220296D3467B29C050192CD1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Costs and Expenses [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="loc_us-gaap_CostsAndExpensesAbstract_1D282C2C220296D3467B29C050192CD1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_1D282C2C220296D3467B29C050192CD1" xlink:to="lab_us-gaap_CostsAndExpensesAbstract_1D282C2C220296D3467B29C050192CD1" xlink:type="arc" />
    <link:label id="lab_us-gaap_CostOfServices_C27143724B321D9F05DE29C05019BFF7_verboseLabel_en-US" xlink:label="lab_us-gaap_CostOfServices_C27143724B321D9F05DE29C05019BFF7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cost of services (exclusive of depreciation and amortization included below)</link:label>
    <link:label id="lab_us-gaap_CostOfServices_C27143724B321D9F05DE29C05019BFF7_label_en-US" xlink:label="lab_us-gaap_CostOfServices_C27143724B321D9F05DE29C05019BFF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of Services</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostOfServices" xlink:label="loc_us-gaap_CostOfServices_C27143724B321D9F05DE29C05019BFF7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfServices_C27143724B321D9F05DE29C05019BFF7" xlink:to="lab_us-gaap_CostOfServices_C27143724B321D9F05DE29C05019BFF7" xlink:type="arc" />
    <link:label id="lab_us-gaap_CostOfGoodsSold_8975A04A7FDF35530E9929C05019E7E7_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsSold_8975A04A7FDF35530E9929C05019E7E7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost of products sold</link:label>
    <link:label id="lab_us-gaap_CostOfGoodsSold_8975A04A7FDF35530E9929C05019E7E7_label_en-US" xlink:label="lab_us-gaap_CostOfGoodsSold_8975A04A7FDF35530E9929C05019E7E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of Goods Sold</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="loc_us-gaap_CostOfGoodsSold_8975A04A7FDF35530E9929C05019E7E7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfGoodsSold_8975A04A7FDF35530E9929C05019E7E7" xlink:to="lab_us-gaap_CostOfGoodsSold_8975A04A7FDF35530E9929C05019E7E7" xlink:type="arc" />
    <link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_39A4C68B7818D85A917D29C050196837_terseLabel_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_39A4C68B7818D85A917D29C050196837" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Selling, general and administrative</link:label>
    <link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_39A4C68B7818D85A917D29C050196837_label_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_39A4C68B7818D85A917D29C050196837" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling, General and Administrative Expense</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_A51CC8546C04DC4DC7F829D0C6B8A6B7_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_A51CC8546C04DC4DC7F829D0C6B8A6B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Other Operating Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_A51CC8546C04DC4DC7F829D0C6B8A6B7" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_27F81F542F8351FE405D29D0C6B87DE3" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_8D68F945F0C6E92E570C29D0C6B876FF" xlink:type="locator" />
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    <link:label id="lab_win_BroadbandNetworkExpansionFundedByStimulusGrants_4908C55A1E9E13DD5DEB29D0C6B8DEF4_negatedTerseLabel_en-US" xlink:label="lab_win_BroadbandNetworkExpansionFundedByStimulusGrants_4908C55A1E9E13DD5DEB29D0C6B8DEF4" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Broadband network expansion funded by stimulus grants</link:label>
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    <link:label id="lab_win_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeDeDesignatiedPortionNet_51FB519018E22A93AA78B9188D04396C_documentation_en-US" xlink:label="lab_win_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeDeDesignatiedPortionNet_51FB519018E22A93AA78B9188D04396C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, De-Designatied Portion, Net</link:label>
    <link:loc xlink:href="win-20150331.xsd#win_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeDeDesignatiedPortionNet" xlink:label="loc_win_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeDeDesignatiedPortionNet_51FB519018E22A93AA78B9188D04396C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CapitalLeaseObligationsAbstract_D847B066C087D6773BFD1BE9B72FDC15_label_en-US" xlink:label="lab_us-gaap_CapitalLeaseObligationsAbstract_D847B066C087D6773BFD1BE9B72FDC15" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Lease Obligations [Abstract]</link:label>
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    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsNextRollingTwelveMonths_34C85811A0194363FB321BE9B73E4354_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsNextRollingTwelveMonths_34C85811A0194363FB321BE9B73E4354" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsNextRollingTwelveMonths" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsNextRollingTwelveMonths_34C85811A0194363FB321BE9B73E4354" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsNextRollingTwelveMonths_34C85811A0194363FB321BE9B73E4354" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsNextRollingTwelveMonths_34C85811A0194363FB321BE9B73E4354" xlink:type="arc" />
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearTwo_E5A182F0D0BA693D6DE31BE9B73E8F2C_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearTwo_E5A182F0D0BA693D6DE31BE9B73E8F2C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearTwo" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearTwo_E5A182F0D0BA693D6DE31BE9B73E8F2C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearTwo_E5A182F0D0BA693D6DE31BE9B73E8F2C" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearTwo_E5A182F0D0BA693D6DE31BE9B73E8F2C" xlink:type="arc" />
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearThree_EF121DB3352FEA06FEEC1BE9B73EC472_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearThree_EF121DB3352FEA06FEEC1BE9B73EC472" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2018</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearThree" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearThree_EF121DB3352FEA06FEEC1BE9B73EC472" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearThree_EF121DB3352FEA06FEEC1BE9B73EC472" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearThree_EF121DB3352FEA06FEEC1BE9B73EC472" xlink:type="arc" />
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearFour_13119E87D451D6BFA0F31BE9B73E652A_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearFour_13119E87D451D6BFA0F31BE9B73E652A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2019</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearFour" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearFour_13119E87D451D6BFA0F31BE9B73E652A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearFour_13119E87D451D6BFA0F31BE9B73E652A" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearFour_13119E87D451D6BFA0F31BE9B73E652A" xlink:type="arc" />
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearFive_AA1DA87ACE8DCA3984561BE9B73E18FA_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearFive_AA1DA87ACE8DCA3984561BE9B73E18FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2020</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearFive_AA1DA87ACE8DCA3984561BE9B73E18FA" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingYearFive_AA1DA87ACE8DCA3984561BE9B73E18FA" xlink:type="arc" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingAfterYearFive" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInRollingAfterYearFive_52DDB49CEF69C47FF83B1BE9B73E3DA8" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_F5CB3466A0FFBCB1E23A1BE9B73EECF3_totalLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_F5CB3466A0FFBCB1E23A1BE9B73EECF3" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total future payments</link:label>
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    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_6A188E6F1768DF90F6A31BE9B73E8C37_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_6A188E6F1768DF90F6A31BE9B73E8C37" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Less: Amounts representing interest</link:label>
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    <link:label id="lab_win_TrancheA3Notes2016Member_89E4D11CCB6366AFAED62A622F14B367_verboseLabel_en-US" xlink:label="lab_win_TrancheA3Notes2016Member_89E4D11CCB6366AFAED62A622F14B367" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Senior secured credit facility, Tranche A3 - variable rates, due December 30, 2016</link:label>
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