<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CHOICETEL
COMMUNICATIONS INC AND SUBSIDIARIES. CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<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> 4,443
<SECURITIES> 0
<RECEIVABLES> 517
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 5,426
<PP&E> 1,398
<DEPRECIATION> 0
<TOTAL-ASSETS> 10,362
<CURRENT-LIABILITIES> 1,498
<BONDS> 0
0
0
<COMMON> 33
<OTHER-SE> 8,017
<TOTAL-LIABILITY-AND-EQUITY> 10,362
<SALES> 97
<TOTAL-REVENUES> 97
<CGS> 74
<TOTAL-COSTS> 74
<OTHER-EXPENSES> 739
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> (495)
<INCOME-TAX> 0
<INCOME-CONTINUING> (495)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (495)
<EPS-BASIC> (.15)
<EPS-DILUTED> 0
</TABLE>