<ARTICLE> 5
<LEGEND>
     THIS SCHEDULE  CONTAINS SUMMARY  FINANCIAL  INFORMATION  EXTRACTED FROM THE
CONSOLIDATED  FINANCIAL STATEMENTS OF ICG COMMUNICATIONS,  INC. AND SUBSIDIARIES
FOR THE NINE  MONTHS  ENDED  SEPTEMBER  30,  1997,  AS  RESTATED  TO REFLECT THE
COMBINED  OPERATIONS  OF ICG AND  NETCOM AS THOUGH THE  MERGER  OCCURRED  AT THE
BEGINNING OF THE PERIOD  PRESENTED  AND  REFLECTED TO PRESENT THE  OPERATIONS OF
NETCOM AND ZYCOM AS DISCONTINUED,  AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>               DEC-31-1997
<PERIOD-START>                  JAN-01-1997
<PERIOD-END>                    SEP-30-1997
<CASH>                              334,090
<SECURITIES>                        120,834
<RECEIVABLES>                        59,024
<ALLOWANCES>                          5,804
<INVENTORY>                           5,181
<CURRENT-ASSETS>                    531,669
<PP&E>                              651,611
<DEPRECIATION>                       87,909
<TOTAL-ASSETS>                    1,278,186
<CURRENT-LIABILITIES>               119,795
<BONDS>                             929,571
<PREFERRED-MANDATORY>               393,618
<PREFERRED>                            0<F1>
<COMMON>                                802
<OTHER-SE>                         (165,600)
<TOTAL-LIABILITY-AND-EQUITY>       1,278,186
<SALES>                                0<F1>
<TOTAL-REVENUES>                    174,002
<CGS>                                  0<F1>
<TOTAL-COSTS>                       156,893
<OTHER-EXPENSES>                    148,416
<LOSS-PROVISION>                      2,193
<INTEREST-EXPENSE>                   82,290
<INCOME-PRETAX>                    (196,349)
<INCOME-TAX>                            0<F1>
<INCOME-CONTINUING>                (221,330)
<DISCONTINUED>                      (28,285)
<EXTRAORDINARY>                        0<F1>
<CHANGES>                              0<F1>
<NET-INCOME>                       (249,615)
<EPS-PRIMARY>                         (5.92)
<EPS-DILUTED>                          0<F1>
<FN>
<F1>THIS VALUE IS NOT APPLICABLE.
</FN>