-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 LT36YhKMjtr9C/egOQoTwsaJGxbp8yW84vl/UTVO8rmuRt0AxE89Ffqgz+z1TAys
 bBsyi9HRIt+56fUCckmknw==

<SEC-DOCUMENT>0000949297-08-000010.txt : 20080825
<SEC-HEADER>0000949297-08-000010.hdr.sgml : 20080825
<ACCEPTANCE-DATETIME>20080825151036
ACCESSION NUMBER:		0000949297-08-000010
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080822
FILED AS OF DATE:		20080825
DATE AS OF CHANGE:		20080825

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Workman John L
		CENTRAL INDEX KEY:			0001302537

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26786
		FILM NUMBER:		081036662

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		205-967-7116

	MAIL ADDRESS:	
		STREET 1:		C/O HEALTHSOUTH CORPORATION
		STREET 2:		ONE HEALTHSOUTH PARKWAY
		CITY:			BIRMINGHAM
		STATE:			AL
		ZIP:			35243

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			APAC CUSTOMER SERVICE INC
		CENTRAL INDEX KEY:			0000949297
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		IRS NUMBER:				362777140
		STATE OF INCORPORATION:			IL
		FISCAL YEAR END:			1230

	BUSINESS ADDRESS:	
		STREET 1:		SIX PARKWAY NORTH
		CITY:			DEERFIELD
		STATE:			IL
		ZIP:			60015
		BUSINESS PHONE:		847-236-5452

	MAIL ADDRESS:	
		STREET 1:		SIX PARKWAY NORTH
		CITY:			DEERFIELD
		STATE:			IL
		ZIP:			60015

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	APAC TELESERVICES INC
		DATE OF NAME CHANGE:	19950915

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	APAC CORP
		DATE OF NAME CHANGE:	19950811
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-08-22</periodOfReport>

    <issuer>
        <issuerCik>0000949297</issuerCik>
        <issuerName>APAC CUSTOMER SERVICE INC</issuerName>
        <issuerTradingSymbol>APAC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001302537</rptOwnerCik>
            <rptOwnerName>Workman John L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O APAC CUSTOMER SERVICES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>SIX PARKWAY NORTH</rptOwnerStreet2>
            <rptOwnerCity>DEERFIELD</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60015</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</value>
            </securityTitle>
            <transactionDate>
                <value>2008-08-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1495</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.26</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1495</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-08-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2900</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.28</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4395</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-08-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5605</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.29</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Pamela R. Schneider, Attorney-in-Law                              Fact/John \L. Workman</signatureName>
        <signatureDate>2008-08-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----