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← Area code 989

989-256 phone numbers

Numbers 989-256-0000 to 989-256-9999 are assigned to Onvoy, Llcv in Gladwin, MI. 5 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 989-256