← Area code 989
989-566 phone numbers
Numbers 989-566-0000 to 989-566-9999 are assigned to Ton80 Communications, LLC in Mayville, MI. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 989-566-3xxx, 989-566-4xxx, 989-566-5xxx, 989-566-7xxx, 989-566-8xxx, 989-566-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.