McI Worldcom Communications, I

McI Worldcom Communications, I is a telecommunications carrier serving US phone numbers.

Area codes served by McI Worldcom Communications, I

• 804 (7)
• 314 (3)
• 813 (2)
• 770 (2)
• 313 (1)
• 330 (1)
• 631 (1)
• 810 (1)
• 832 (1)
• 206 (1)
• 843 (1)
• 219 (1)
• 248 (1)
• 304 (1)

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Last updated: March 3, 2026