← Area code 412
412-765 phone numbers
Numbers 412-765-0000 to 412-765-9999 are assigned to Verizon Pennsylvania, Inc. (rate centre PTTSBGZON1, PA, NANPA abbreviation). 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 412-765-4xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.