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← Area code 906

906-337 phone numbers

Numbers 906-337-0000 to 906-337-9999 are assigned to Michigan Bell Tel Co in Calumet, MI.

Not assigned to any carrier: 906-337-7xxx, 906-337-8xxx, 906-337-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 906-337