-----BEGIN PRIVACY-ENHANCED MESSAGE-----
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,
 GeMrTzbWmngqVsrdE+1SZKzm9Nl0626cq3yObWY631wCw/E/Kvy3Rm7hgghSTWE/
 qINkm3qVKHEar7RAJlhHEQ==

<SEC-DOCUMENT>0000005907-03-000152.txt : 20030702
<SEC-HEADER>0000005907-03-000152.hdr.sgml : 20030702
<ACCEPTANCE-DATETIME>20030702164939
ACCESSION NUMBER:		0000005907-03-000152
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030630
FILED AS OF DATE:		20030702

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PETRILLO JOHN C
		CENTRAL INDEX KEY:			0001168022

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-01105
		FILM NUMBER:		03772539

	BUSINESS ADDRESS:	
		STREET 1:		295 MAPLE AVE
		CITY:			BASKING RIDGE
		STATE:			NJ
		ZIP:			07920
		BUSINESS PHONE:		9082217020

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AT&T CORP
		CENTRAL INDEX KEY:			0000005907
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE COMMUNICATIONS (NO RADIO TELEPHONE) [4813]
		IRS NUMBER:				134924710
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE AT&T WAY
		CITY:			BEDMINSTER
		STATE:			NJ
		ZIP:			07921
		BUSINESS PHONE:		9082212000

	MAIL ADDRESS:	
		STREET 1:		ONE AT&T WAY
		CITY:			BEDMINSTER
		STATE:			NJ
		ZIP:			07921

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMERICAN TELEPHONE & TELEGRAPH CO
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>petrillo063003_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<!-- - EDGAR Ease Plus 1.0                                   04/22/03  TZ    -->
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType>
   <periodOfReport>2003-06-30</periodOfReport>
   <notSubjectToSection16>1</notSubjectToSection16>
    <issuer>
        <issuerCik>0000005907</issuerCik>
        <issuerName>AT&amp;T CORP</issuerName>
        <issuerTradingSymbol>T</issuerTradingSymbol>
   </issuer>
   <reportingOwner>
      <reportingOwnerId>
            <rptOwnerCik>0001168022</rptOwnerCik>
            <rptOwnerName>PETRILLO JOHN C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
         <isDirector>0</isDirector>
         <isOfficer>1</isOfficer>
         <isTenPercentOwner>0</isTenPercentOwner>
         <isOther>0</isOther>
         <officerTitle>Executive Vice President</officerTitle>
       </reportingOwnerRelationship>
   </reportingOwner>
   <nonDerivativeSecurity>
      <securityTitle>
         <value>AT+T Common Stock (T)</value>
      </securityTitle>
      <transactionDate>
         <value>2003-06-30</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>15106</value>
         </transactionShares>
         <transactionValue>
           <value>19.425</value>
         </transactionValue>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
     <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>40313</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeSecurity>
   <nonDerivativeSecurity>
      <securityTitle>
         <value>AT+T Common Stock (T)</value>
      </securityTitle>
      <transactionDate>
         <value>2003-06-30</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>13224</value>
         </transactionShares>
         <transactionValue>
           <value>19.425</value>
         </transactionValue>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
     <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>55537</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeSecurity>
   <nonDerivativeSecurity>
      <securityTitle>
         <value>AT+T Common Stock (T)</value>
      </securityTitle>
      <transactionDate>
         <value>2003-06-30</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>F</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>9477</value>
         </transactionShares>
         <transactionValue>
           <value>19.425</value>
         </transactionValue>
         <transactionAcquiredDisposedCode>
           <value>D</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
     <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>44060</value>
            <footnoteId id="F3"/>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeSecurity>
   <derivativeSecurity>
      <securityTitle>
         <value>Phantom Stock Units</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>0</value>
            <footnoteId id="F1"/>
      </conversionOrExercisePrice>
      <transactionDate>
         <value>2003-06-30</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>15106</value>
         </transactionShares>
         <transactionValue>
           <value>19.425</value>
         </transactionValue>
         <transactionAcquiredDisposedCode>
           <value>D</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
         <value>1988-08-08</value>
            <footnoteId id="F2"/>
      </exerciseDate>
      <expirationDate>
         <value>1988-08-08</value>
            <footnoteId id="F2"/>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>AT+T Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>15106</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>0</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeSecurity>
   <derivativeSecurity>
      <securityTitle>
         <value>Phantom Stock Units</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>0</value>
            <footnoteId id="F1"/>
      </conversionOrExercisePrice>
      <transactionDate>
         <value>2003-06-30</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>13224</value>
         </transactionShares>
         <transactionValue>
           <value>19.425</value>
         </transactionValue>
         <transactionAcquiredDisposedCode>
           <value>D</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
         <value>1988-08-08</value>
            <footnoteId id="F2"/>
      </exerciseDate>
      <expirationDate>
         <value>1988-08-08</value>
            <footnoteId id="F2"/>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>AT+T Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>13224</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>0</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeSecurity>
   <footnotes>
<footnote id="F1"> Convertible into common stock on a 1 for 1 basis</footnote>

<footnote id="F2"> Vested early 6/30/03 upon retirement of Reporting Person</footnote>

<footnote id="F3"> Indirectly owns 489.7 shares by 401(k)</footnote>
   </footnotes>
   <ownerSignature>
      <signatureName>John W. Thomson, Attorney-in-Fact</signatureName>
      <signatureDate>2003-07-02</signatureDate>
   </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----