351-800 phone numbers

Numbers 351-800-0000 to 351-800-9999 are assigned to Fractel, LLC in Winchendon, MA. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 351-800-2xxx, 351-800-3xxx, 351-800-5xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 351-800