← Area code 412
412-423 phone numbers
Numbers 412-423-0000 to 412-423-9999 are assigned to Fidium Enterprise Services, LLC (rate centre PTGSBNZN20, PA, NANPA abbreviation). 8 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Reported numbers in 412-423
- 1 (412) 423-0367 2complaints
- 2 (412) 423-5051 2complaints
- 3 (412) 423-5198 2complaints
- 4 (412) 423-0030 1complaints
- 5 (412) 423-0040 1complaints
- 6 (412) 423-0805 1complaints
- 7 (412) 423-1879 1complaints
- 8 (412) 423-3821 1complaints
- 9 (412) 423-4677 1complaints
- 10 (412) 423-4930 1complaints
- 11 (412) 423-5115 1complaints
- 12 (412) 423-5231 1complaints
- 13 (412) 423-5447 1complaints
- 14 (412) 423-5529 1complaints
- 15 (412) 423-5552 1complaints
- 16 (412) 423-6265 1complaints
- 17 (412) 423-6281 1complaints
- 18 (412) 423-6324 1complaints
- 19 (412) 423-6394 1complaints
- 20 (412) 423-7035 1complaints
- 21 (412) 423-7163 1complaints
- 22 (412) 423-7400 1complaints
- 23 (412) 423-7925 1complaints
- 24 (412) 423-9272 1complaints
- 25 (412) 423-9310 1complaints
- 26 (412) 423-9400 1complaints
- 27 (412) 423-9518 1complaints
- 28 (412) 423-9519 1complaints
- 29 (412) 423-9573 1complaints
- 30 (412) 423-9746 1complaints