← Area code 413
413-597 phone numbers
Numbers 413-597-0000 to 413-597-9999 are assigned to Verizon New England Inc. (rate centre WILLIAMSTN, MA, NANPA abbreviation). 5 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.