<ARTICLE>                     5
<LEGEND>
This  schedule  contains  summary  financial   information  extracted  from  the
unaudited  consolidated  balance sheet of AT&T Corp.  at June 30, 1999,  and the
unaudited  consolidated  statement of income for the six-month period ended June
30, 1999,  and is  qualified  in its  entirety by  reference  to such  financial
statements.
</LEGEND>
<MULTIPLIER>                                   1,000,000

                                            
<PERIOD-TYPE>                                  6-MOS
<FISCAL-YEAR-END>                              DEC-31-1999
<PERIOD-START>                                 JAN-01-1999
<PERIOD-END>                                   JUN-30-1999
<CASH>                                         418
<SECURITIES>                                   0
<RECEIVABLES>                                  11,257
<ALLOWANCES>                                   1,227
<INVENTORY>                                    0
<CURRENT-ASSETS>                               12,946
<PP&E>                                         62,574
<DEPRECIATION>                                 27,580
<TOTAL-ASSETS>                                 145,238
<CURRENT-LIABILITIES>                          21,577
<BONDS>                                        22,152
<PREFERRED-MANDATORY>                          6,354
<PREFERRED>                                    0
<COMMON>                                       4,461
<OTHER-SE>                                     69,027
<TOTAL-LIABILITY-AND-EQUITY>                   145,238
<SALES>                                        0
<TOTAL-REVENUES>                               29,787
<CGS>                                          0
<TOTAL-COSTS>                                  24,758
<OTHER-EXPENSES>                               0
<LOSS-PROVISION>                               733
<INTEREST-EXPENSE>                             649
<INCOME-PRETAX>                                3,854
<INCOME-TAX>                                   1,791
<INCOME-CONTINUING>                            2,063
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                                   2,063
<EPS-BASIC>                                    0.90
<EPS-DILUTED>                                  0.88