← Area code 207
207-654 phone numbers
Numbers 207-654-0000 to 207-654-9999 are assigned to Somerset Tel. Co. (rate centre ATHENS, ME, NANPA abbreviation). 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 207-654-1xxx, 207-654-4xxx, 207-654-5xxx, 207-654-6xxx, 207-654-7xxx, 207-654-8xxx, 207-654-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.