603-760 phone numbers

Numbers 603-760-0000 to 603-760-9999 are assigned to Teleport Communications America, LLC (rate centre SEABROOK, NH, NANPA abbreviation). 8 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 603-760-4xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 603-760