<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the audited
balance sheets for the year ended December 31, 1997 and is qualified in its
entirety by reference to such financial statements.
</LEGEND>
<CIK>          0000867889
<NAME>         INTERNATIONAL TELECOMMUNICATION DATA SYSTEMS
<MULTIPLIER>   1
<CURRENCY>     U.S. DOLLAR
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                              JAN-1-1997
<PERIOD-END>                               DEC-31-1997
<EXCHANGE-RATE>                                      1
<CASH>                                      28,967,173
<SECURITIES>                                         0
<RECEIVABLES>                                5,007,581
<ALLOWANCES>                                   486,422
<INVENTORY>                                          0
<CURRENT-ASSETS>                            34,936,051
<PP&E>                                       6,252,923
<DEPRECIATION>                               2,318,936
<TOTAL-ASSETS>                              44,452,452
<CURRENT-LIABILITIES>                        2,364,020
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       127,868
<OTHER-SE>                                  40,190,452
<TOTAL-LIABILITY-AND-EQUITY>                44,452,452
<SALES>                                     23,428,810
<TOTAL-REVENUES>                            23,428,810
<CGS>                                                0
<TOTAL-COSTS>                                5,617,245
<OTHER-EXPENSES>                            11,266,090
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             120,355
<INCOME-PRETAX>                              8,127,001
<INCOME-TAX>                                 3,326,382
<INCOME-CONTINUING>                          4,800,619
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 4,800,619
<EPS-PRIMARY>                                      .38
<EPS-DILUTED>                                      .36