<ARTICLE> 5 <LEGEND> This schedule contains summary financial information extracted from the consolidated balance sheet of AT&T Corp. at December 31, 1999, and the consolidated statement of income for the twelve-month period ended December 31, 1999, 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-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> DEC-31-1999 <CASH> 1,024 <SECURITIES> 0 <RECEIVABLES> 11,960 <ALLOWANCES> 1,507 <INVENTORY> 0 <CURRENT-ASSETS> 13,884 <PP&E> 69,675 <DEPRECIATION> 30,057 <TOTAL-ASSETS> 169,406 <CURRENT-LIABILITIES> 28,207 <BONDS> 21,591 <PREFERRED-MANDATORY> 6,326 <PREFERRED> 0 <COMMON> 4,461 <OTHER-SE> 74,466 <TOTAL-LIABILITY-AND-EQUITY> 169,406 <SALES> 0 <TOTAL-REVENUES> 62,391 <CGS> 0 <TOTAL-COSTS> 51,532 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 1,416 <INTEREST-EXPENSE> 1,651 <INCOME-PRETAX> 6,685 <INCOME-TAX> 3,257 <INCOME-CONTINUING> 3,428 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 3,428 <EPS-BASIC> 1.77 <EPS-DILUTED> 1.74