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)
06/24/2010
(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               1,606 (1) I By 401(k) Plan
Common Stock               3,459 D  
Common Stock               460 I By Self for Son
Common Stock               460 I By Self for Daughter
Common Stock               626 I By Self for Husband
Class B Common Stock               1,906 I By Self for Son
Class B Common Stock               1,431 I By Self for Daughter
Class B Common Stock               1,556 I By Self for Husband
Class B Common Stock 06/24/2010   M   5,000 A $ 6.5625 21,090 (2) D  
Class B Common Stock 06/24/2010   S   5,000 D $ 9.9 16,090 (3) D  
Class B Common Stock 06/28/2010   M   5,000 A $ 6.5625 21,090 (2) D  
Class B Common Stock 06/28/2010   S   5,000 D $ 11.25 16,090 (3) 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) $ 6.5625 06/24/2010   M     5,000   (4) 04/15/2013 Class B Common Stock 5,000 $ 0 11,666 D  
Employee Stock Option (right to buy) $ 6.5625 06/28/2010   M     5,000   (4) 04/15/2013 Class B Common Stock 5,000 $ 0 6,666 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   06/28/2010
**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 May 31, 2010.
(2) Consists of 8,281 shares of Restricted Stock, all of which are vested, 1,396 shares of stock purchased through the Issuer's Employee Stock Purchase Program and 11,413 shares held by Ms. Mason directly.
(3) Consists of 8,281 shares of Restricted Stock, all of which are vested, 1,396 shares of stock purchased through the Issuer's Employee Stock Purchase Program and 6,413 shares held by Ms. Mason directly.
(4) This option vested in three equal installments on April 16, 1998, 1999 and 2000.

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