Canadial Know Who Called
← Area code 401

401-600 phone numbers

Numbers 401-600-0000 to 401-600-9999 are assigned to Onvoy Spectrum, LLC in Providence, RI. 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).

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

Reported numbers in 401-600