<ARTICLE>                     5
<LEGEND>
     This schedule contains summary financial information extracted from the
     audited balance sheets for the year ended December 31, 1998 and is
     qualified in its entirety by reference to such financial statements.
</LEGEND>
<CIK>                         0000867889
<NAME>                        INTERNATIONAL TELECOMMUNICATION DATA SYSTEMS
<MULTIPLIER>                                     1,000
<CURRENCY>                                         USD
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                              JAN-1-1998
<PERIOD-END>                               DEC-31-1998
<EXCHANGE-RATE>                                      1
<CASH>                                          40,735
<SECURITIES>                                         0
<RECEIVABLES>                                   34,713
<ALLOWANCES>                                     2,362
<INVENTORY>                                          0
<CURRENT-ASSETS>                                78,131
<PP&E>                                          13,187
<DEPRECIATION>                                   5,450
<TOTAL-ASSETS>                                 155,156
<CURRENT-LIABILITIES>                           21,306
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           173
<OTHER-SE>                                     133,652
<TOTAL-LIABILITY-AND-EQUITY>                   155,156
<SALES>                                        115,460
<TOTAL-REVENUES>                               115,460
<CGS>                                                0
<TOTAL-COSTS>                                   44,334
<OTHER-EXPENSES>                                74,131
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               2,740
<INCOME-PRETAX>                                 (4,195)
<INCOME-TAX>                                    (1,095)
<INCOME-CONTINUING>                             (3,100)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                   (826)
<CHANGES>                                            0
<NET-INCOME>                                    (3,926)
<EPS-PRIMARY>                                     (.25)
<EPS-DILUTED>                                     (.25)