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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 FaYR3Tqglymv2we2yOZpdA4OCtWe/X9LGthRLvxiAGLJ5t4d7z/7teJJrk6InY9L
 8Km6A8J/EE5kDr8yNdxezA==

<SEC-DOCUMENT>0000921895-09-001713.txt : 20090624
<SEC-HEADER>0000921895-09-001713.hdr.sgml : 20090624
<ACCEPTANCE-DATETIME>20090624173304
ACCESSION NUMBER:		0000921895-09-001713
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090210
FILED AS OF DATE:		20090624
DATE AS OF CHANGE:		20090624

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TOLLGRADE COMMUNICATIONS INC \PA\
		CENTRAL INDEX KEY:			0001002531
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-TELEPHONE INTERCONNECT SYSTEMS [7385]
		IRS NUMBER:				251537134
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		493 NIXON RD
		CITY:			CHESWICK
		STATE:			PA
		ZIP:			15024
		BUSINESS PHONE:		4122742156

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CHANDLER SCOTT C
		CENTRAL INDEX KEY:			0001260085

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27312
		FILM NUMBER:		09908107
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>cha182.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2009-02-10</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001002531</issuerCik>
        <issuerName>TOLLGRADE COMMUNICATIONS INC \PA\</issuerName>
        <issuerTradingSymbol>TLGD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001260085</rptOwnerCik>
            <rptOwnerName>CHANDLER SCOTT C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>7903 S FRANKLIN COURT</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LITTLETON</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80122</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Explanation of Responses</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common  Stock,  par value $0.20</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The Reporting Person is a member of a Section 13(d) group with respect to the securities of the Issuer that beneficially owns in excess of 10% of the Issuer's outstanding shares of Common Stock. The Reporting Person disclaims beneficial ownership of the securities beneficially owned by the other members of the group except to the extent of his pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: /s/ Scott C. Chandler</signatureName>
        <signatureDate>2009-06-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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