401-800 phone numbers

Numbers 401-800-0000 to 401-800-9999 are assigned to Onvoy, LLC (rate centre BLOCK IS, RI, NANPA abbreviation). 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 401-800-2xxx, 401-800-5xxx, 401-800-7xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 401-800