← Area code 681
681-449 phone numbers
Numbers 681-449-0000 to 681-449-9999 are assigned to Level 3 Communications, LLC (rate centre WILLIAMSTN, WV, NANPA abbreviation). 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 681-449-2xxx, 681-449-3xxx, 681-449-4xxx, 681-449-5xxx, 681-449-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.