<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS OF WORLDCOM, INC. AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                             801
<SECURITIES>                                         0
<RECEIVABLES>                                    6,748
<ALLOWANCES>                                       955
<INVENTORY>                                          0
<CURRENT-ASSETS>                                10,386
<PP&E>                                          26,750
<DEPRECIATION>                                 (2,982)
<TOTAL-ASSETS>                                  86,553
<CURRENT-LIABILITIES>                           18,173
<BONDS>                                         13,928
<PREFERRED-MANDATORY>                              798
<PREFERRED>                                          0
<COMMON>                                            28
<OTHER-SE>                                      46,552
<TOTAL-LIABILITY-AND-EQUITY>                    86,553
<SALES>                                              0
<TOTAL-REVENUES>                                 9,122
<CGS>                                            4,137
<TOTAL-COSTS>                                    7,612
<OTHER-EXPENSES>                                    26
<LOSS-PROVISION>                                   228
<INTEREST-EXPENSE>                                 272
<INCOME-PRETAX>                                  1,212
<INCOME-TAX>                                       547
<INCOME-CONTINUING>                                730
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       712
<EPS-BASIC>                                       0.25
<EPS-DILUTED>                                     0.24