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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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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