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← Area code 231

231-672 phone numbers

Numbers 231-672-0000 to 231-672-9999 are assigned to Teleport Communications America, LLC in Muskegon, MI. 9 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 231-672