681-600 phone numbers

Numbers 681-600-0000 to 681-600-9999 are assigned to Onvoy, LLC in Clarksburg, WV. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 681-600-5xxx, 681-600-7xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 681-600