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3. Former Sprint rival

Alternative clues for the word mci

• Long distance inits.
• Web Calling originator
• 1-800-COLLECT introducer (1993)
• Verizon bought it in 2006
• Former AT&T rival
• AT&T rival, once
• 1101, in old Rome
• Big inits. in cellular technology
• Worldcom partner
• Big initials in telecom, once