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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,
 UmW7u5XZbObICRRpcpTOYgaDV5ElSNHsTnBJesT3Q5WGmGsi9fZdQzFLfU0H81BZ
 rpuzPcRqe/tdZ6oxjvcWIg==

<SEC-DOCUMENT>0001181431-03-014655.txt : 20030721
<SEC-HEADER>0001181431-03-014655.hdr.sgml : 20030721
<ACCEPTANCE-DATETIME>20030721153840
ACCESSION NUMBER:		0001181431-03-014655
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030718
FILED AS OF DATE:		20030721

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			COURTER JAMES A
		CENTRAL INDEX KEY:			0001228152

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16371
		FILM NUMBER:		03794642

	MAIL ADDRESS:	
		STREET 1:		IDT CORP
		STREET 2:		520 BROAD STREET
		CITY:			NEWARK
		STATE:			NJ
		ZIP:			07102

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IDT CORP
		CENTRAL INDEX KEY:			0001005731
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE COMMUNICATIONS (NO RADIO TELEPHONE) [4813]
		IRS NUMBER:				223415036
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0731

	BUSINESS ADDRESS:	
		STREET 1:		520 BROAD ST
		CITY:			NEWARK
		STATE:			NJ
		ZIP:			07102
		BUSINESS PHONE:		973 438 1000

	MAIL ADDRESS:	
		STREET 1:		520 BROAD STREET
		CITY:			NEWARK
		STATE:			NJ
		ZIP:			07102
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd13597.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType>
<periodOfReport>2003-07-18</periodOfReport>
<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0001005731</issuerCik>
        <issuerName>IDT CORP</issuerName>
        <issuerTradingSymbol>IDT/IDT.C</issuerTradingSymbol></issuer>
<reportingOwner>
<reportingOwnerId>
            <rptOwnerCik>0001228152</rptOwnerCik>
            <rptOwnerName>COURTER JAMES A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector>
<isOfficer>1</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle>Chief Executive Officer</officerTitle>
<otherText></otherText></reportingOwnerRelationship></reportingOwner>
<nonDerivativeSecurity>
<securityTitle>
<value>Class B Common Stock, par value $.01 per share</value></securityTitle>
<transactionDate>
<value>2003-07-18</value>
<footnoteId id="F1"/></transactionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>S</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved></transactionCoding>
<transactionTimeliness>
<value></value></transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value>4036</value></transactionShares>
<transactionValue>
<value>18.1548</value></transactionValue>
<transactionAcquiredDisposedCode>
<value>D</value></transactionAcquiredDisposedCode></transactionAmounts>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>100928</value></sharesOwnedFollowingTransaction></postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value></directOrIndirectOwnership>
<natureOfOwnership>
<value></value></natureOfOwnership></ownershipNature></nonDerivativeSecurity>
<footnotes>
<footnote id="F1">The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 12, 2003.</footnote></footnotes>
<ownerSignature>
<signatureName>James A. Courter</signatureName>
<signatureDate>2003-07-21</signatureDate></ownerSignature></ownershipDocument>


</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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