<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
This schedule contains summary information extracted from the Registrant Company
Balance Sheets for December 31, 1999 and 1998 and Statements of Operations for
the years ended December 31, 1999 and 1998 and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
<CIK>  0001070242
<NAME> INSIGHT COMMUNICATIONS OF CENTRAL OHIO, LLC
<MULTIPLIER> 1,000

<S>                             <C>                     <C>
<PERIOD-TYPE>                   12-MOS                  12-MOS
<FISCAL-YEAR-END>                          DEC-31-1998             DEC-31-1999
<PERIOD-START>                             JAN-01-1998             JAN-01-1999
<PERIOD-END>                               DEC-31-1998             DEC-31-1999
<CASH>                                           6,709                     882
<SECURITIES>                                         0                       0
<RECEIVABLES>                                    1,492                   1,173
<ALLOWANCES>                                       306                     383
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                                 9,581                   4,963
<PP&E>                                          78,798                 105,454
<DEPRECIATION>                                  46,898                  53,999
<TOTAL-ASSETS>                                  41,967                  56,964
<CURRENT-LIABILITIES>                           12,967                  17,448
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                             0                       0
<OTHER-SE>                                   (144,718)               (149,491)
<TOTAL-LIABILITY-AND-EQUITY>                    41,967                  56,964
<SALES>                                         47,956                  46,747
<TOTAL-REVENUES>                                47,956                  46,747
<CGS>                                           39,828                  34,767
<TOTAL-COSTS>                                   39,828                  34,767
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                (59)                     297
<INCOME-PRETAX>                                  7,765                  11,775
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                              7,765                  11,775
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     7,765                  11,775
<EPS-BASIC>                                       0.00                    0.00
<EPS-DILUTED>                                     0.00                    0.00


</TABLE>