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Global business and residential communications company operating in more than 65 countries.
MCI is a global engagement and marketing agency that creates human-centric touchpoints that unleash the power of people to deliver innovation and growth.
If you are a Business Customer, call 1-800-444-2222. Customers previously serviced by TTI National, Inc are unable to use online bill pay. Please call Customer Service for assistance 1-800-893-5094. We use Secure Sockets Layer (SSL) encryption technology to ensure your personal information is secure and protected.
Known as MCI at the time of the merger, WorldCom’s network assets are now part of Verizon Enterprise Solutions. WorldCom was originally founded in 1983 as Long Distance Discount Service, Inc. After growing to become one of the largest long distance providers in the country, WorldCom was forced to file for Chapter 11 bankruptcy protection in 2002 in the wake of a well-publicized accounting scandal.
The MCI difference. You work hard to take your business as far as it can go. And we work hard to take it beyond. MCI responds to your needs. We’ve gone over our coaches to make sure that they’re better than ever, boosted our parts availability, strengthened our warranties and examined all of the ways we can go the extra mile to serve you better. And that means there’s never been a better time to choose MCI.
MCI is a holding company for a diverse lineup of tech-enabled & data-driven business process outsourcing (BPO) companies Follow View all 575 employees About us MCI is the holding company for a...