MCI Inc.

MCI, Inc. was an American telecommunications company that was headquartered in Ashburn, Virginia. The corporation was the result of the merger of WorldCom (formerly known as LDDS followed by LDDS WorldCom) and MCI Communications, and used the name MCI WorldCom followed by WorldCom before taking its final name on April 14, 2003 as part of the corporation's emergence from bankruptcy. The company formerly traded on NASDAQ under the symbols "WCOM" (pre-bankruptcy) and "MCIP" (post-bankruptcy). The corporation was purchased by Verizon Communications with the deal closing on January 6, 2006, and is now identified as that company's Verizon Business division with the local residential divisions slowly integrated into local Verizon subsidiaries.
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MCI Communications was an American telecommunications company that was instrumental in legal and regulatory changes that led to the breakup of the AT&T monopoly of American telephony and ushered in the competitive long distance telephone industry.Founded in 1963, it grew to be the second largest long-distance provider in the U.S. It was purchased by WorldCom in 1998 and became MCI WorldCom, and afterwards being shortened to WorldCom in 2000. WorldCom's financial scandals and bankruptcy led that company to change its name in 2003 to MCI. The MCI name disappeared in January 2006 after the company was bought by Verizon.
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