<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
IDT'S FISCAL 1999 FINANCIAL STATEMENTS, AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>

                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          JUL-31-1999
<PERIOD-START>                             AUG-01-1998
<PERIOD-END>                               JUL-31-1999
<CASH>                                      52,903,479
<SECURITIES>                                77,869,655
<RECEIVABLES>                              113,789,127
<ALLOWANCES>                                 7,643,000
<INVENTORY>                                          0
<CURRENT-ASSETS>                           292,198,280
<PP&E>                                     151,472,278
<DEPRECIATION>                              37,349,355
<TOTAL-ASSETS>                             515,336,254
<CURRENT-LIABILITIES>                      112,783,537
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       239,829
<OTHER-SE>                                 253,165,506
<TOTAL-LIABILITY-AND-EQUITY>               515,336,254
<SALES>                                    732,183,855
<TOTAL-REVENUES>                           732,183,855
<CGS>                                      575,049,683
<TOTAL-COSTS>                              729,803,484
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                             5,558,000
<INTEREST-EXPENSE>                          11,318,964
<INCOME-PRETAX>                             20,727,886
<INCOME-TAX>                                17,850,000
<INCOME-CONTINUING>                          6,186,438
<DISCONTINUED>                                       0
<EXTRAORDINARY>                            (3,269,787)
<CHANGES>                                            0
<NET-INCOME>                                 2,916,651
<EPS-BASIC>                                     (0.70)
<EPS-DILUTED>                                   (0.70)