Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
MASON JOYCE J
   2. Issuer Name and Ticker or Trading Symbol
IDT CORP [IDT,IDT.C] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP and Corporate Secretary
(Last)
(First)
(Middle)
C/O IDT CORPORATION, 520 BROAD STREET		 3. Date of Earliest Transaction (Month/Day/Year)
04/04/2011
(Street)

NEWARK, NJ 07102		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Class B Common Stock               1,568 (1) I By 401(k) Plan
Class B Common Stock 02/18/2011   G V 800 A $ 0 3,166 I By Self for Son
Class B Common Stock 02/18/2011   G V 800 A $ 0 2,691 I By Self for Daughter
Class B Common Stock               2,182 I By Self for Husband
Class B Common Stock               29,549 (2) D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (right to buy) $ 26.5545 04/04/2011   D(3)     6,700   (3) 04/04/2011 Class B Common Stock 6,700 (3) 0 D  
Employee Stock Option (right to buy) $ 26.5545 04/04/2011   A(3)   6,700     (3) 04/16/2012 Class B Common Stock 6,700 (3) 6,700 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MASON JOYCE J
C/O IDT CORPORATION
520 BROAD STREET
NEWARK, NJ 07102		       EVP and Corporate Secretary  

Signatures

 Joyce J. Mason   04/06/2011
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) As of March 31, 2011.
(2) Consists of 18,281 shares of Restricted Stock, 8,281 shares of which are vested, 1,396 shares of stock purchased through the Issuer's Employee Stock Purchase Program and 9,872 shares held by Ms. Mason directly.
(3) The two reported transactions involved an amendment of an outstanding option, resulting in the deemed cancellation of the "old" option, and the grant of a replacement option in which the exercise period was extended. The options were exercisable starting on April 5, 2003.

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