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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.
In July 1971, MICOM was restructured into MCI Communications, and the company began the process of absorbing the regional carriers into a single corporation. [13] MCI became a public company via an initial public offering on June 22, 1972. [14]
Dec 27, 2020 · In 1984, MCI became the first company to deploy single-mode optical fiber (the standard had been multi-mode optical fiber), which was manufactured by Siecor, a joint venture between Siemens Telecom and Corning Glass Company.
Telephone: (601) 360-8600. Toll Free: 800-844-8350. Fax: (601) 974-8350. http://www.mciworldcom.com. Statistics: Public Company. Incorporated: 1998. Employees: 75,000. Sales: $30 billion (1998 est.) Stock Exchanges: NASDAQ. Ticker Symbol: WCOM.
Aug 22, 2011 · Although an Execunet call began by dialing a special MCI number, the innovation more aggressively exploited AT&T's local lines and switched exchanges.
MCI’s plans to become a major player in a rapidly developing and seemingly promising mobile phone business (paging and cellular phone communications) in the first half of the 1980s were also abandoned because of a lack of subscribers’ interest at that time and due to changes in regulatory rules.
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Feb 16, 2005 · Two decades ago, MCI helped unravel the AT&T monopoly, transforming the telecommunications industry. Now it has been gobbled up by its archrival's offspring just as the competition it...
