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Customer Service
We're here to help. Browse our information resources, e-mail or call to speak to a Customer Service representative with any comments or questions.

Online Account Manager

Online Account Manager gives you secure access to your account when it's convenient for you, 24 hours a day, 7 days a week. View your invoice, make a payment, update your services, and more.

Log in to Online Account Manager Email your questions to Customer Service
Pay Your Bill

Start saving time and stop writing checks. Make an Instant Payment, or sign up for automatic credit card or direct debit billing; it's your choice. And with automatic payment, you'll save $1 off your MCI bill every month!

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To mail your payment, send check or money order to the following address:

PO Box 16801
Newark, NJ 07101-6801
PO Box 15043
Albany, NY 12212-5043
Contact Us

Still having trouble finding what you need? E-mail MCI with your general questions and comments. In most cases we'll respond within 24 business hours. If you have specific account-related questions, please log in to Online Account Manager.

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Service Numbers

The answer to your question is just a phone call away. Find a toll-free number for a Customer Service representative.

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Info and Answers

Browse information on MCI's services and find answers to frequently asked questions.

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Email Alerts

Current MCI customers can get updates, news, and special offers via e-mail.

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