<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<CIK> 0001089554
<NAME> COMPLETEL LLC
<S> <C> <C> <C>
<PERIOD-TYPE> 3-MOS 12-MOS 12-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-1999 DEC-31-1998
<PERIOD-START> JAN-01-2000 JAN-01-1999 JAN-08-1998
<PERIOD-END> MAR-31-2000 DEC-31-1999 DEC-31-1998
<CASH> 506,309,000 60,469,000 3,744,000
<SECURITIES> 0 0 0
<RECEIVABLES> 4,411,000 1,702,000 537,000
<ALLOWANCES> 0 0 0
<INVENTORY> 0 0 0
<CURRENT-ASSETS> 522,854,000 77,063,000 4,495,000
<PP&E> 126,448,000 97,087,000 3,500,000
<DEPRECIATION> (6,846,000) (4,215,000) (59,000)
<TOTAL-ASSETS> 660,226,000 182,097,000 10,042,000
<CURRENT-LIABILITIES> 61,506,000 52,787,000 5,272,000
<BONDS> 82,823,000 79,922,000 0
0 0 0
0 0 0
<COMMON> 654,628,000 30,065,000 737,000
<OTHER-SE> (254,983,000) (94,425,000) (9,155,000)
<TOTAL-LIABILITY-AND-EQUITY> 660,226,000 182,097,000 10,042,000
<SALES> 2,934,000 2,985,000 0
<TOTAL-REVENUES> 2,934,000 2,985,000 0
<CGS> 2,974,000 2,407,000 0
<TOTAL-COSTS> 89,790,000 45,419,000 8,103,000
<OTHER-EXPENSES> 7,831,000 3,621,000 0
<LOSS-PROVISION> 0 0 0
<INTEREST-EXPENSE> 1,902,000 8,604,000 0
<INCOME-PRETAX> (98,699,000) (53,563,000) (8,455,000)
<INCOME-TAX> 0 0 0
<INCOME-CONTINUING> (98,699,000) (53,563,000) (8,455,000)
<DISCONTINUED> 0 0 0
<EXTRAORDINARY> 0 0 0
<CHANGES> 0 0 0
<NET-INCOME> (98,699,000) (53,563,000) (8,455,000)
<EPS-BASIC> (10,480.00) (6,908.00) (1,940.00)
<EPS-DILUTED> (10,480.00) (6,908.00) (1,940.00)
</TABLE>