231-772 phone numbers

Numbers 231-772-0000 to 231-772-9999 are assigned to Ton80 Communications, LLC in Wellston, MI. 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 231-772-0xxx, 231-772-3xxx, 231-772-4xxx, 231-772-5xxx, 231-772-6xxx, 231-772-8xxx, 231-772-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 231-772