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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,
 O7LEbZu1bbBF1wpCOn/iIpIoUwkXtYf2NsxMoh2xgqdnFuWRA52iGMVggUx3u5ns
 jJ2sHeCS+VHfVe04y2zE5A==

<SEC-DOCUMENT>0001322280-05-000002.txt : 20050330
<SEC-HEADER>0001322280-05-000002.hdr.sgml : 20050330
<ACCEPTANCE-DATETIME>20050330100335
ACCESSION NUMBER:		0001322280-05-000002
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050328
FILED AS OF DATE:		20050330
DATE AS OF CHANGE:		20050330

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:			Barron Joseph E
		CENTRAL INDEX KEY:			0001322280

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27312
		FILM NUMBER:		05711873

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		(412) 820-1400

	MAIL ADDRESS:	
		STREET 1:		C/O TOLLGRADE COMMUNICATIONS, INC.
		STREET 2:		493 NIXON ROAD
		CITY:			CHESWICK
		STATE:			PA
		ZIP:			15024
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2005-03-28</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001322280</rptOwnerCik>
            <rptOwnerName>Barron Joseph E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O TOLLGRADE COMMUNICATIONS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>493 NIXON ROAD</rptOwnerStreet2>
            <rptOwnerCity>CHESWICK</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>15024</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP Business Development</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>Joseph E. Barron</signatureName>
        <signatureDate>2005-03-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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