313-578 phone numbers

Numbers 313-578-0000 to 313-578-9999 are assigned to Michigan Bell Tel Co (rate centre DETROITZN1, MI, NANPA abbreviation). 1 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 313-578