Canadial Know Who Called
← Area code 207

207-421 phone numbers

Numbers 207-421-0000 to 207-421-9999 are assigned to Peerless Network of Maine, LLC- Me in Winterport, ME. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 207-421-0xxx, 207-421-2xxx, 207-421-3xxx, 207-421-4xxx, 207-421-5xxx, 207-421-6xxx, 207-421-7xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 207-421