906-623 phone numbers

Numbers 906-623-0000 to 906-623-9999 are assigned to Peninsula Fiber Network, LLC (rate centre SAND RIVER, MI, NANPA abbreviation). 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 906-623-1xxx, 906-623-4xxx, 906-623-5xxx, 906-623-7xxx, 906-623-8xxx, 906-623-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 906-623