Web results:
MCI, Inc. (formerly WorldCom and MCI WorldCom) was a telecommunications company. For a time, it was the second-largest long-distance telephone company in the United States, after AT&T.
Global business and residential communications company operating in more than 65 countries.
MCI PO Box 16801 Newark, NJ 07101-6801 TTI PO Box 15043 Albany, NY 12212-5043 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. Contact us
MCI USA | Marketing & Engagement Agency. MCI, an award-winning global agency, can shape your tomorrow with association solutions, event management, marketing & communications, and more!
MCI offers many easy ways to pay your bill. Choose the solution that's best for you: Instant Payment or automatic payment with paper or online statement (saves $1 off your bill every month). It's your choice! See options below. For MCI Business Complete customers, paying your phone bill has never been easier.
MCI, Inc. of United States provides telecommunication services. The Company offers tele-calling, internet, data, and managed network services. MCI serves customers internationally.
MCI Careers. Find out what works well at MCI Careers from the people who know best. Get the inside scoop on jobs, salaries, top office locations, and CEO insights. Compare pay for popular roles and read about the team’s work-life balance.