413-558 phone numbers

Numbers 413-558-0000 to 413-558-9999 are assigned to Onvoy Spectrum, LLC in Warren, MA. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 413-558-3xxx, 413-558-4xxx, 413-558-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 413-558