MCI Communications
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MCI Communications

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High Quality Content by WIKIPEDIA articles! MCI Communications Corp. 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. It was headquartered in Washington, DC. 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 t...