<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
REGISTRANT'S FORM 10-Q FOR THE SIX MONTHS ENDED JUNE 30, 2000 AND IS QUALIFIED
IN ITS ENTIRETY TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0001089341
<NAME> TELECORP PCS, INC.
<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> $28,223
<SECURITIES> $0
<RECEIVABLES> $38,795
<ALLOWANCES> $2,281
<INVENTORY> $20,604
<CURRENT-ASSETS> $91,685
<PP&E> $622,360
<DEPRECIATION> $91,326
<TOTAL-ASSETS> $966,597
<CURRENT-LIABILITIES> $145,090
<BONDS> $729,544
$279,128
$149
<COMMON> $890
<OTHER-SE> $204,455
<TOTAL-LIABILITY-AND-EQUITY> $966,597
<SALES> $127,457
<TOTAL-REVENUES> $127,457
<CGS> $40,433
<TOTAL-COSTS> $265,464
<OTHER-EXPENSES> ($3,897)
<LOSS-PROVISION> $0
<INTEREST-EXPENSE> $34,263
<INCOME-PRETAX> $(168,373)
<INCOME-TAX> $0
<INCOME-CONTINUING> $(168,373)
<DISCONTINUED> $0
<EXTRAORDINARY> $0
<CHANGES> $0
<NET-INCOME> $(168,373)
<EPS-BASIC> (1.84)
<EPS-DILUTED> (1.84)
</TABLE>