681-308 phone numbers

Numbers 681-308-0000 to 681-308-9999 are assigned to Onvoy, LLC in Matewan, WV. 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 681-308-1xxx, 681-308-2xxx, 681-308-5xxx, 681-308-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 681-308