810-628 phone numbers

Numbers 810-628-0000 to 810-628-9999 are assigned to Frontier North, Inc. (rate centre SWARTZ CRK, MI, NANPA abbreviation). 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 810-628-4xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 810-628