<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.

<MULTIPLIER> 1,000,000

                                                                       
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-2000             DEC-31-2000             DEC-31-2000
<PERIOD-START>                             JAN-01-2000             JAN-01-2000             JAN-01-2000
<PERIOD-END>                               MAR-31-2000             JUN-30-2000             SEP-30-2000
<CASH>                                             601                     664                     916
<SECURITIES>                                         0                       0                       0
<RECEIVABLES>                                    7,368                   8,294                   8,512
<ALLOWANCES>                                     1,242                   1,285                   1,867
<INVENTORY>                                          0                       0                       0
<CURRENT-ASSETS>                                11,110                  12,069                  12,084
<PP&E>                                          36,654                  38,916                  42,011
<DEPRECIATION>                                  (5,745)                 (6,104)                 (6,707)
<TOTAL-ASSETS>                                  94,512                  97,373                  99,893
<CURRENT-LIABILITIES>                           17,654                  14,048                  15,686
<BONDS>                                         13,514                  18,705                  18,700
<PREFERRED-MANDATORY>                              798                     798                     798
<PREFERRED>                                          0                       0                       0
<COMMON>                                            29                      29                      29
<OTHER-SE>                                      53,023                  54,173                  55,248
<TOTAL-LIABILITY-AND-EQUITY>                    94,512                  97,373                  99,893
<SALES>                                              0                       0                       0
<TOTAL-REVENUES>                                 9,619                  19,436                  29,483
<CGS>                                            3,733                   7,509                  11,376
<TOTAL-COSTS>                                    7,179                  14,583                  22,756
<OTHER-EXPENSES>                                  (111)                   (220)                   (327)
<LOSS-PROVISION>                                   269                     548                   1,515
<INTEREST-EXPENSE>                                 218                     454                     699
<INCOME-PRETAX>                                  2,333                   4,619                   6,355
<INCOME-TAX>                                       953                   1,883                   2,580
<INCOME-CONTINUING>                              1,301                   2,592                   3,559
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                     1,284                   2,559                   3,510
<EPS-BASIC>                                       0.45                    0.90                    1.23
<EPS-DILUTED>                                     0.44                    0.88                    1.20