← Area code 412
412-940 phone numbers
Numbers 412-940-0000 to 412-940-9999 are assigned to Tpx Communications (rate centre PTTSBGZON1, PA, NANPA abbreviation).
Not assigned to any carrier: 412-940-0xxx, 412-940-1xxx, 412-940-2xxx, 412-940-3xxx, 412-940-4xxx, 412-940-5xxx, 412-940-6xxx, 412-940-8xxx, 412-940-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.