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Find a Customer Service number. Browse information on MCI's services and find answers to frequently asked questions. Browse Info & Answers. Current MCI customers can get updates, news, and special offers via e-mail. Sign up for E-mail Alerts. Need help deciding? Compare plans.
- MCI Customer Service Numbers
MCI offers customer support for all your service needs. You...
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- MCI Customer Service Numbers
MCI offers customer support for all your service needs. You may contact our representatives by phone or e-mail using the information below. If you are a current MCI Consumer customer, you can log in to our secure customer website to access your account information or e-mail Customer Service.
We offer Residential & Small Business Local and Long Distance, SkyTel Messaging, Prepaid Calling Services, Internet Wholesale, and Telecommunications Wholesale Services. MCI Net Value 4¢ all day, any day.
Service Numbers. If you'd like to speak directly with an MCI Customer Service Representative, call the toll-free number that applies to the product that interests you. Existing customers should have their account number available when calling.
If your question is not answered, simply click on the "Contact Us" tab in the toolbar. From there, you can send an e-mail to Customer Service, to which you can expect a response within 24 business hours. Alternatively, you may contact Customer Service by phone at 1-800-444-3333. Questions About This Website.
You should receive an answer from a Customer Service representative within 24 business hours. Online Account Manager gives you secure access to your account, 24 hours a day, 7 days a week. View your invoice, update your services, pay your bill online and more.
We welcome your inquiries and are happy to answer your questions. Please choose from one of the following options to contact us: Get a complete list of our Customer Service numbers so you can call us with questions about the products that interest you.
