MCI Customer Service Number

MCI, Inc. was Associate in Nursing yank telecommunication corporation, presently a subsidiary of Verizon Communications, with its office in Ashburn, Virginia. The corporation was shaped originally as a results of the merger of WorldCom and MCI Communications companies, and used the name MCI WorldCom, succeeded by WorldCom, before dynamic its name to this version on Gregorian calendar month twelve, 2003, as a part of the corporation's ending of its bankruptcy standing. The corporate listed on data system as WCOM (pre-bankruptcy) and MCIP (post-bankruptcy). The corporation was purchased by Verizon Communications with the deal finalizing on Twelfth day, 2006,and is currently known as that company's Verizon Enterprise Solutions division with the native residential divisions being integrated slowly into native Verizon subsidiaries.

For a time WorldCom was the United States's second largest long distance utility (after AT&T). WorldCom grew for the most part by effort different telecommunications corporations, most notably MCI Communications. It conjointly closely-held the Tier one ISP UUNET, a significant a part of the web backbone. it had been headquartered in Clinton, Mississippi, before being resettled to Virginia.

MCI offers client support for all of your service desires. you will contact our representatives by phone or e-mail victimisation the data below.

MCI Customer Service Number Phone: 888-624-5622

MCI Company URL:

http://www.mci.com

Hours of Operation:

Mon-Fri: 7am-11pm EST

Sat-Sun: 9am-9pm EST