← Area code 412
412-800 phone numbers
Numbers 412-800-0000 to 412-800-9999 are assigned to Onvoy, LLC (rate centre PTGSBNZN10, PA, NANPA abbreviation). 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 412-800-3xxx, 412-800-4xxx, 412-800-5xxx, 412-800-6xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.