<ARTICLE>                     5
<LEGEND>
Exhibit 27.1
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-01-1997
<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