<ARTICLE>                     5
<LEGEND>
This  schedule  contains  summary  financial   information  extracted  from  the
consolidated  balance  sheet  of  AT&T  Corp.  at  December  31,  1997,  and the
consolidated  statement of income for the twelve-month period ended December 31,
1997,  and  is  qualified  in  its  entirety  by  reference  to  such  financial
statements.
</LEGEND>
<MULTIPLIER>                                   1,000,000

                                            
<PERIOD-TYPE>                                  12-MOS
<FISCAL-YEAR-END>                              DEC-31-1997
<PERIOD-START>                                 JAN-01-1997
<PERIOD-END>                                   DEC-31-1997
<CASH>                                         318
<SECURITIES>                                   307
<RECEIVABLES>                                  15,347
<ALLOWANCES>                                   988
<INVENTORY>                                    0
<CURRENT-ASSETS>                               16,777
<PP&E>                                         46,436
<DEPRECIATION>                                 22,233
<TOTAL-ASSETS>                                 61,095
<CURRENT-LIABILITIES>                          17,317
<BONDS>                                        7,857
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    0
<COMMON>                                       2,684
<OTHER-SE>                                     20,994
<TOTAL-LIABILITY-AND-EQUITY>                   61,095
<SALES>                                        0
<TOTAL-REVENUES>                               51,577
<CGS>                                          0
<TOTAL-COSTS>                                  44,741
<OTHER-EXPENSES>                               0
<LOSS-PROVISION>                               1,522
<INTEREST-EXPENSE>                             307
<INCOME-PRETAX>                                6,972
<INCOME-TAX>                                   2,723
<INCOME-CONTINUING>                            4,249
<DISCONTINUED>                                 166
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                                   4,415
<EPS-BASIC>                                    1.65
<EPS-DILUTED>                                  1.65