business.mci.comMCI - Customer Service

-- Customer Service The most convenient way to manage your MCI account is to handle it yourself - online. View your invoice, make a payment and much more - whenever you like, 24 hours a day, 7 days a week. With MCI, managing your account online is fast and easy. If you need to speak to someone right away, our toll-free Customer Service numbers are accessible below. Pay Bill If you are an MCI Business Complete customer you can relax knowing your account is always up-to-date. Choose an EasyPay automatic billing solution using your credit card or direct debit, and you'll save $1 every month plus earn up to 60 free minutes!* To mail your payment, send check or money order to the following address: MCI PO Box 16801 Newark, NJ 07101-6801 Learn More Check Voicemail Your MCI account offers convenient message notification and retrieval options. Receive new voicemail message alerts via your pager, cell phone, or e-mail. Access your messages wherever you are, by phone or on the web. Set up email/text notifications for Voicemail. Learn More Calling Card Instructions Need help making a calling card call? Find instructions on placing calls from the U.S. or from over 125 countries and places around the world. Learn More -- Service Phone Numbers If you'd rather speak to someone directly, the answers to your questions are just a phone call away. Look for the toll-free Customer Service number you need from the link below. Find A Customer Service Number Contact Us Questions about MCI Small Business products? Use our easy online form to submit your inquiry. Learn More New Products & Services Get everything a small business needs to set up shop, stay connected to clients and increase productivity.  Calling plans, high-speed Internet access and lots more.  For companies with fewer than 20 employees and/or one office location.  Learn More -- * 60 free minutes offer applies to new EasyPay customers only. Offer does not apply to unlimited or block-of-time calling plans. Privacy Policy | Legal Notices | Service Terms & Rates © Verizon. All Rights Reserved...