401-858 phone numbers

Numbers 401-858-0000 to 401-858-9999 are assigned to Onvoy, LLC in Tiverton, RI. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 401-858-1xxx, 401-858-2xxx, 401-858-6xxx, 401-858-7xxx, 401-858-8xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 401-858