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← Area code 616

616-431 phone numbers

Numbers 616-431-0000 to 616-431-9999 are assigned to Mcimetro Access Transmission Services LLC (rate centre MARNE, MI, NANPA abbreviation). 8 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 616-431-8xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 616-431