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← Area code 603

603-677 phone numbers

Numbers 603-677-0000 to 603-677-9999 are assigned to Mcimetro Access Transmission Services LLC in Meredith, NH. 9 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 603-677