<SUBMISSION>
<ACCESSION-NUMBER>0001067837-19-000028
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20190521
<FILING-DATE>20190523
<DATE-OF-FILING-DATE-CHANGE>20190523
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>FIELD JOSEPH M
<CIK>0001106859
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-14461
<FILM-NUMBER>19851435
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>401 CITY AVENUE
<STREET2>SUITE 809
<CITY>BALA CYNWYD
<STATE>PA
<ZIP>19004
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>ENTERCOM COMMUNICATIONS CORP
<CIK>0001067837
<ASSIGNED-SIC>4832
<IRS-NUMBER>231701044
<STATE-OF-INCORPORATION>PA
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>401 E. CITY AVENUE
<STREET2>SUITE 809
<CITY>BALA CYNWYD
<STATE>PA
<ZIP>19004
<PHONE>610-660-5610
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>401 E. CITY AVENUE
<STREET2>SUITE 809
<CITY>BALA CYNWYD
<STATE>PA
<ZIP>19004
</MAIL-ADDRESS>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-05-21</periodOfReport>

    <issuer>
        <issuerCik>0001067837</issuerCik>
        <issuerName>ENTERCOM COMMUNICATIONS CORP</issuerName>
        <issuerTradingSymbol>ETM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001106859</rptOwnerCik>
            <rptOwnerName>FIELD JOSEPH M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ENTERCOM COMMUNICATIONS CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>401 E. CITY AVENUE, SUITE 809</rptOwnerStreet2>
            <rptOwnerCity>BALA CYNWYD</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19004</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman Emeritus</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock, par value $0.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2019-05-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>19231</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>30125</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock, par value $0.01 per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11172697</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Spouse and by Trust</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These shares represent restricted stock units subject to time based vesting, as described in the grant instrument.</footnote>
        <footnote id="F2">These shares are indirectly beneficially owned by the Reporting Person as follows: (i) 7,525,170 shares held by a trust for the benefit of the Reporting Person for which the Reporting Person is a trustee; (ii) 3,295,949 held by the Reporting Person as the trustee of a grantor retained annuity trust for the benefit of the daughter of the Reporting Person for which the Reporting Person is the sole trustee, (iii) 21,578 shares held by the Reporting Person as a trustee of a trust established for the benefit of the sister-in-law of the Reporting Person; and (iv) 330,000 shares held by the spouse of the Reporting Person.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Joseph M. Field by Andrew P. Sutor, IV, authorized signatory</signatureName>
        <signatureDate>2019-05-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
