← Area code 412
412-832 phone numbers
Numbers 412-832-0000 to 412-832-9999 are assigned to Onvoy Spectrum, LLC (rate centre PTGSBNZN21, PA, NANPA abbreviation). 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 412-832-1xxx, 412-832-4xxx, 412-832-5xxx, 412-832-6xxx, 412-832-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.