<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S CONDENSED CONSOLIDATED BALANCE SHEETS, CONDENSED CONSOLIDATED
STATEMENTS OF OPERATIONS AND CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS

<S>                             <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000             DEC-31-1999
<PERIOD-START>                             JAN-01-2000             JAN-01-1999
<PERIOD-END>                               MAR-31-2000             MAR-31-1999
<EXCHANGE-RATE>                                      1                       1
<CASH>                                          14,170                  21,365
<SECURITIES>                                     1,316                   1,117
<RECEIVABLES>                                  203,960                 158,418
<ALLOWANCES>                                    41,025                  51,213
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                               227,011                 178,003
<PP&E>                                         370,716                 263,245
<DEPRECIATION>                                  60,982                  27,564
<TOTAL-ASSETS>                                 741,884                 638,674
<CURRENT-LIABILITIES>                          387,756                 263,776
<BONDS>                                         61,410                  50,950
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                            58                      58
<OTHER-SE>                                     270,010                 336,149
<TOTAL-LIABILITY-AND-EQUITY>                   741,884                 638,674
<SALES>                                              0                       0
<TOTAL-REVENUES>                               255,105                 228,209
<CGS>                                                0                       0
<TOTAL-COSTS>                                  273,004                 234,551
<OTHER-EXPENSES>                              (10,696)                   2,021
<LOSS-PROVISION>                                 6,708                   2,283
<INTEREST-EXPENSE>                               2,924                   1,213
<INCOME-PRETAX>                                (9,938)                 (8,847)
<INCOME-TAX>                                   (2,629)                 (1,295)
<INCOME-CONTINUING>                                  0                       0
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                   (7,309)                 (7,552)
<EPS-BASIC>                                      (.12)                  (0.14)
<EPS-DILUTED>                                    (.12)                  (0.14)


</TABLE>