WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS OF ICG COMMUNICATIONS, INC. AND SUBSIDIARIES
FOR THE SIX MONTHS ENDED JUNE 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 496,688
<SECURITIES> 31,283
<RECEIVABLES> 204,730
<ALLOWANCES> 31,640
<INVENTORY> 2,340
<CURRENT-ASSETS> 747,669
<PP&E> 2,363,160
<DEPRECIATION> 399,184
<TOTAL-ASSETS> 2,858,109
<CURRENT-LIABILITIES> 433,944
<BONDS> 2,106,658
1,190,198
0<F1>
<COMMON> 489
<OTHER-SE> (1,003,657)
<TOTAL-LIABILITY-AND-EQUITY> 2,858,109
<SALES> 0<F1>
<TOTAL-REVENUES> 332,977
<CGS> 0<F1>
<TOTAL-COSTS> 185,491
<OTHER-EXPENSES> 244,060
<LOSS-PROVISION> 0<F1>
<INTEREST-EXPENSE> 129,393
<INCOME-PRETAX> (211,425)
<INCOME-TAX> 0<F1>
<INCOME-CONTINUING> (245,197)
<DISCONTINUED> 736
<EXTRAORDINARY> 0<F1>
<CHANGES> 0<F1>
<NET-INCOME> (244,461)
<EPS-BASIC> (8.63
<EPS-DILUTED> 0<F1>
</TABLE>
