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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.