← Area code 413
413-509 phone numbers
Numbers 413-509-0000 to 413-509-9999 are assigned to Paetec Itel, LLC in Wilbraham, MA. 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 413-509-3xxx, 413-509-6xxx, 413-509-7xxx, 413-509-8xxx, 413-509-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.