<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from At Home
Corporation's Quarterly Report on Form 10-Q for the quarter ended June 30, 2000
and is qualified in its entirety by reference to such financial statements.
</LEGEND>
<CIK> 0001020620
<NAME> AT HOME CORPORATION
<MULTIPLIER> 1000
<CURRENCY> US DOLLARS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-1-2000
<PERIOD-END> JUN-30-2000
<EXCHANGE-RATE> 1
<CASH> 157,508
<SECURITIES> 231,224
<RECEIVABLES> 91,581
<ALLOWANCES> 2,812
<INVENTORY> 0
<CURRENT-ASSETS> 534,072
<PP&E> 292,418
<DEPRECIATION> 136,108
<TOTAL-ASSETS> 8,108,719
<CURRENT-LIABILITIES> 328,417
<BONDS> 739,853
0
373,271
<COMMON> 9,687,461
<OTHER-SE> (3,090,781)
<TOTAL-LIABILITY-AND-EQUITY> 8,108,719
<SALES> 0
<TOTAL-REVENUES> 286,784
<CGS> 0
<TOTAL-COSTS> 126,602
<OTHER-EXPENSES> 1,492,071
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 22,162
<INCOME-PRETAX> (1,344,784)
<INCOME-TAX> 0
<INCOME-CONTINUING> (1,344,784)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (1,334,784)
<EPS-BASIC> (3.43)
<EPS-DILUTED> (3.43)
</TABLE>