<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION DERIVED FROM FINANCIAL
STATEMENTS INCLUDED IN ONEPOINT COMMUNICATIONS CORP.'S QUARTERLY REPORT ON FORM
10-Q FOR THE NINE MONTHS 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-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 1,811
<SECURITIES> 1,762
<RECEIVABLES> 6,416
<ALLOWANCES> 1,254
<INVENTORY> 107
<CURRENT-ASSETS> 12,749
<PP&E> 26,269
<DEPRECIATION> 3,624
<TOTAL-ASSETS> 62,396
<CURRENT-LIABILITIES> 40,803
<BONDS> 116,460
35,000
0
<COMMON> 10
<OTHER-SE> 14,444
<TOTAL-LIABILITY-AND-EQUITY> 62,396
<SALES> 33,378
<TOTAL-REVENUES> 33,378
<CGS> 32,115
<TOTAL-COSTS> 32,115
<OTHER-EXPENSES> 54,753
<LOSS-PROVISION> 1,254
<INTEREST-EXPENSE> 10,988
<INCOME-PRETAX> (52,703)
<INCOME-TAX> 0
<INCOME-CONTINUING> (52,703)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (52,703)
<EPS-BASIC> (51.85)
<EPS-DILUTED> (51.85)
</TABLE>