<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-02-10</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001292653</issuerCik>
        <issuerName>Inteliquent, Inc.</issuerName>
        <issuerTradingSymbol>IQNT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001279322</rptOwnerCik>
            <rptOwnerName>GREENBERG EDWARD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>550 W ADAMS</rptOwnerStreet1>
            <rptOwnerStreet2>STE 900</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60661</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.001 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2017-02-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>12198</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>23.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On November 2, 2016, the Issuer entered into an Agreement and Plan of Merger (the &quot;Merger Agreement&quot;) with Onvoy, LLC (&quot;Onvoy&quot;) and Onvoy Igloo Merger Sub, Inc. (&quot;Merger Sub&quot;), pursuant to which Merger Sub merged (the &quot;Merger&quot;) with and into the Issuer, with the Issuer surviving the Merger as a direct wholly owned subsidiary of Onvoy. The Merger became effective on February 10, 2017 (the &quot;Effective Time&quot;). Pursuant to the Merger Agreement, each share of the Issuer's common stock, par value $0.001 (&quot;Common Stock&quot;), issued and outstanding prior to the Effective Time was automatically cancelled and converted into the right to receive a cash payment equal to $23.00, without interest, less any applicable tax withholding.</footnote>
        <footnote id="F2">This amount includes 6,242 shares of restricted stock that became fully vested at the Effective Time pursuant to the Merger Agreement.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Richard L. Monto, as Attorney-in-Fact for Edward Greenberg</signatureName>
        <signatureDate>2017-02-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
