Online Account Manager
MCI WorldCom customers enjoy the ease and convenience of managing their account online. Use Online Account Manager to see your current and past statements, view and update your current services, learn about convenient new payment options, send an e-mail and much more.

Frequently Asked Questions
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Customer Service
Fill out our e-mail form
or call us at one of the numbers listed below.

General Arabic Cantonese Hindi Japanese Korean Mandarin Polish Russian Spanish Vietnamese WorldPhone   In the U.S.   Outside the U.S.

1-800-444-3333 1-800-560-0726 1-800-215-4554 1-800-733-5513 1-800-506-9954 1-800-258-6549 1-800-506-9953 1-800-803-8801 1-800-266-9862 1-800-359-2040 1-800-925-7413 1-800-955-0925 Dial the WorldPhone toll-free access number for the country you are calling from and ask to be transferred to MCI WorldCom Customer Service.