681-690 phone numbers

Numbers 681-690-0000 to 681-690-9999 are assigned to Nuso, LLC in Brandywine, WV. 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 681-690-5xxx, 681-690-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 681-690