<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
THE REGISTRANT'S REPORT ON FORM 10-Q FOR THE THREE MONTHS ENDED JANUARY 
31, 1998, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH 
FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0001005731
<NAME> IDT CORPORATION
<MULTIPLIER> 1,000
       
                                                  
<PERIOD-TYPE>                   6-MOS                   3-MOS
<FISCAL-YEAR-END>                          JUL-31-1998             JUL-31-1998
<PERIOD-START>                             AUG-01-1997             NOV-01-1997
<PERIOD-END>                               JAN-31-1998             JAN-31-1998
<CASH>                                       8,641,358               8,641,358
<SECURITIES>                                         0                       0
<RECEIVABLES>                               34,985,101              34,985,101
<ALLOWANCES>                                 3,190,342               3,190,342
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                            45,890,785              45,890,785
<PP&E>                                      44,822,828              44,822,828
<DEPRECIATION>                               9,979,771               9,979,771
<TOTAL-ASSETS>                              90,344,033              90,344,033
<CURRENT-LIABILITIES>                       31,233,297              31,233,297
<BONDS>                                     18,635,455              18,635,455
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                       135,025                 135,025
<OTHER-SE>                                  40,240,256              40,240,256
<TOTAL-LIABILITY-AND-EQUITY>                90,344,033              90,344,033
<SALES>                                              0                       0
<TOTAL-REVENUES>                           125,703,766              70,952,788
<CGS>                                                0                       0
<TOTAL-COSTS>                               92,309,811              51,448,794
<OTHER-EXPENSES>                            21,465,567              12,766,523
<LOSS-PROVISION>                             2,240,848               1,104,945
<INTEREST-EXPENSE>                             783,393                 436,458
<INCOME-PRETAX>                                      0                       0
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                          5,116,574               3,153,629
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                 5,116,574               3,153,629
<EPS-PRIMARY>                                      .23                     .14
<EPS-DILUTED>                                      .20                     .12