989-343 phone numbers

Numbers 989-343-0000 to 989-343-9999 are assigned to Michigan Bell Tel Co in West Branch, MI. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 989-343-4xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 989-343