All assignees
783 prefixes in 412 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 412-500 | PTTSBGZON1 | 547E | 2015-03-23 | Yes |
| 412-501 | PTTSBGZON4 | 7229 | — | Yes |
| 412-502 | PTTSBGZON6 | 7229 | — | Yes |
| 412-503 | PTTSBGZON7 | 7229 | — | Yes |
| 412-504 | PTGSBNZN13 | 7229 | — | Yes |
| 412-505 | PTGSBNZN14 | 7229 | — | Yes |
| 412-506 | PTGSBNZN14 | 7229 | — | Yes |
| 412-507 | PTGSBNZN15 | 7229 | — | Yes |
| 412-508 | PTTSBGZON1 | 6392 | — | — |
| 412-509 | PTTSBGZON1 | 6392 | 2015-09-15 | Yes |
| 412-510 | PTTSBGZON1 | 7341 | 2017-03-09 | Yes |
| 412-511 | XXXXXXXXXX | MULT | — | — |
| 412-512 | PTTSBGZON1 | 6701 | — | Yes |
| 412-513 | PTTSBGZON1 | 9208 | — | Yes |
| 412-514 | PTTSBGZON1 | 6392 | 2016-02-17 | Yes |
| 412-515 | PTTSBGZON1 | 6701 | 2012-03-16 | Yes |
| 412-516 | PTGSBNZN22 | 996H | 2018-11-16 | Yes |
| 412-517 | PTGSBNZN20 | 7315 | — | Yes |
| 412-518 | PTTSBGZON1 | 6392 | 2009-09-17 | Yes |
| 412-519 | PTTSBGZON1 | 6701 | — | — |
| 412-520 | PTTSBGZON7 | 9208 | — | Yes |
| 412-521 | PTTSBGZON1 | 9208 | — | — |
| 412-522 | PTTSBGZON1 | 6392 | 2012-04-19 | Yes |
| 412-523 | PTTSBGZON1 | 6392 | — | — |
| 412-524 | PTTSBGZON7 | 547E | 2023-01-12 | Yes |
| 412-525 | PTTSBGZON1 | 6392 | 2012-09-25 | Yes |
| 412-526 | PTTSBGZON1 | 6392 | — | — |
| 412-527 | PTTSBGZON1 | 6392 | — | — |
| 412-528 | PTGSBNZN16 | 4007 | 2001-01-22 | Yes |
| 412-529 | PTTSBGZON1 | 6392 | 2012-10-12 | Yes |
| 412-530 | PTTSBGZON5 | 829J | 2007-04-23 | Yes |
| 412-531 | PTTSBGZON6 | 9208 | — | — |
| 412-532 | PTGSBNZN11 | 829J | — | Yes |
| 412-533 | CLAIRTON | 7229 | — | Yes |
| 412-534 | PTGSBNZN16 | 7229 | — | Yes |
| 412-535 | PTTSBGZON1 | 7229 | 2001-01-22 | Yes |
| 412-536 | PTGSBNZN17 | 7229 | — | Yes |
| 412-537 | PTTSBGZON1 | 6534 | 2001-09-21 | — |
| 412-538 | PTGSBNZN15 | 7315 | 2010-07-30 | Yes |
| 412-539 | PTTSBGZON7 | 8597 | — | Yes |
| 412-540 | PTTSBGZON4 | 7229 | — | Yes |
| 412-541 | PTGSBNZN18 | 002F | 2019-05-17 | Yes |
| 412-542 | PTGSBNZN10 | 4007 | — | Yes |
| 412-543 | PTGSBNZN11 | 624H | — | Yes |
| 412-544 | PTTSBGZON1 | 9208 | — | — |
| 412-545 | PTTSBGZON4 | 7229 | — | Yes |
| 412-546 | PTTSBGZON1 | 6534 | 2022-08-18 | Yes |
| 412-547 | CLAIRTON | 002F | 2019-05-01 | Yes |
| 412-548 | PTGSBNZN17 | 7229 | 2001-02-08 | Yes |
| 412-549 | KITTANNING | 6392 | 2002-11-06 | Yes |
| 412-550 | PTTSBGZON1 | 624H | 2018-06-20 | Yes |
| 412-551 | PTTSBGZON1 | 6534 | — | — |
| 412-552 | PTTSBGZON1 | 9208 | — | Yes |
| 412-553 | PTTSBGZON1 | 9208 | — | Yes |
| 412-554 | GREENSBURG | 6392 | — | — |
| 412-555 | DIR ASST | MULT | — | — |
| 412-556 | PTTSBGZON1 | 547E | 2023-12-11 | Yes |
| 412-557 | PTGSBNZN20 | 7229 | — | Yes |
| 412-558 | GREENSBURG | 6392 | — | — |
| 412-559 | PTTSBGZON1 | 6392 | — | — |
| 412-560 | PTTSBGZON1 | 9208 | — | Yes |
| 412-561 | PTTSBGZON6 | 9208 | — | Yes |
| 412-562 | PTTSBGZON1 | 9208 | — | — |
| 412-563 | PTTSBGZON6 | 9208 | — | — |
| 412-564 | PTGSBNZN13 | 4007 | 2001-02-08 | Yes |
| 412-565 | PTTSBGZON1 | 9208 | — | Yes |
| 412-566 | PTTSBGZON1 | 9208 | — | Yes |
| 412-567 | PTTSBGZON1 | 4007 | — | Yes |
| 412-568 | PTGSBNZN12 | 624H | — | Yes |
| 412-569 | PTGSBNZN13 | 4007 | — | Yes |
| 412-570 | PTTSBGZON1 | 0051 | 2023-12-12 | — |
| 412-571 | PTTSBGZON6 | 9208 | — | Yes |
| 412-572 | PTTSBGZON6 | 9208 | — | Yes |
| 412-573 | PTGSBNZN21 | 829J | — | Yes |
| 412-574 | PTTSBGZON1 | 9208 | — | — |
| 412-575 | PTTSBGZON1 | 9208 | — | Yes |
| 412-576 | PTTSBGZON1 | 6534 | — | — |
| 412-577 | PTTSBGZON1 | 9208 | — | Yes |
| 412-578 | PTTSBGZON1 | 9208 | — | — |
| 412-579 | PTTSBGZON1 | 9208 | — | Yes |
| 412-580 | PTTSBGZON1 | 6534 | — | — |
| 412-581 | PTTSBGZON1 | 6630 | — | — |
| 412-582 | UNIONTOWN | 6392 | — | — |
| 412-583 | PTTSBGZON1 | 6534 | 2001-06-19 | — |
| 412-584 | PTTSBGZON1 | 6534 | 2009-02-26 | Yes |
| 412-585 | CRIDERSCOR | 6392 | — | — |
| 412-586 | PTTSBGZON1 | 829J | — | Yes |
| 412-587 | PTTSBGZON7 | 7229 | 2001-06-19 | Yes |
| 412-588 | PTTSBGZON1 | 073H | 2017-06-05 | Yes |
| 412-589 | PTTSBGZON1 | 6701 | — | Yes |
| 412-590 | PTTSBGZON2 | 6630 | — | — |
| 412-591 | PTTSBGZON2 | 6630 | — | — |
| 412-592 | PTTSBGZON1 | 7229 | 2003-08-07 | Yes |
| 412-593 | PTTSBGZON6 | 4007 | — | Yes |
| 412-594 | PTTSBGZON1 | 9208 | — | — |
| 412-595 | PTGSBNZN12 | 7229 | — | Yes |
| 412-596 | PTTSBGZON1 | 6534 | — | — |
| 412-597 | PTGSBNZN14 | 6630 | — | — |
| 412-598 | PTTSBGZON1 | 6392 | 2018-01-11 | Yes |
| 412-599 | PTGSBNZN19 | 7229 | — | Yes |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.