<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND> THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
EXTRACTED FROM COLORADO INTERSTATE GAS COMPANY FORM
10-Q QUARTERLY REPORT FOR THE PERIOD ENDED
SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> SEP-30-2000
<CASH> 625
<SECURITIES> 0
<RECEIVABLES> 369,522
<ALLOWANCES> 0
<INVENTORY> 8,205
<CURRENT-ASSETS> 419,096
<PP&E> 1,386,857
<DEPRECIATION> 728,695
<TOTAL-ASSETS> 1,199,866
<CURRENT-LIABILITIES> 140,141
<BONDS> 279,649
0
0
<COMMON> 27,561
<OTHER-SE> 583,715
<TOTAL-LIABILITY-AND-EQUITY> 1,199,866
<SALES> 256,158
<TOTAL-REVENUES> 272,947
<CGS> 0
<TOTAL-COSTS> 148,811
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 18,464
<INCOME-PRETAX> 105,672
<INCOME-TAX> 38,922
<INCOME-CONTINUING> 66,750
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 66,750
<EPS-BASIC> 0
<EPS-DILUTED> 0
</TABLE>