All assignees
783 prefixes in 412 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 412-300 | PTGSBNZN14 | 6630 | — | — |
| 412-301 | PTTSBGZON2 | 318J | 2004-10-01 | Yes |
| 412-302 | PTTSBGZON1 | 6392 | — | — |
| 412-303 | PTTSBGZON1 | 6392 | — | — |
| 412-304 | PTTSBGZON1 | 6701 | 2006-01-31 | Yes |
| 412-305 | PTGSBNZN18 | 5562 | 2022-02-16 | Yes |
| 412-306 | PTTSBGZON6 | 9208 | — | Yes |
| 412-307 | PTTSBGZON2 | 829J | — | Yes |
| 412-308 | PTGSBNZN12 | 7315 | — | Yes |
| 412-309 | INDIANA | 6392 | — | Yes |
| 412-310 | PTTSBGZON1 | 6392 | — | — |
| 412-311 | XXXXXXXXXX | MULT | — | — |
| 412-312 | PTTSBGZON2 | 7229 | — | Yes |
| 412-313 | PTTSBGZON2 | 7229 | — | Yes |
| 412-314 | PTGSBNZN10 | 547E | — | Yes |
| 412-315 | PTTSBGZON1 | 6534 | 2011-01-19 | Yes |
| 412-316 | PTTSBGZON1 | 7315 | — | Yes |
| 412-317 | PTGSBNZN22 | 7315 | — | Yes |
| 412-318 | PTGSBNZN17 | 7315 | — | Yes |
| 412-319 | PTGSBNZN13 | 7315 | — | Yes |
| 412-320 | PTTSBGZON1 | 9208 | — | Yes |
| 412-321 | PTTSBGZON1 | 9208 | — | — |
| 412-322 | PTTSBGZON1 | 9208 | — | — |
| 412-323 | PTTSBGZON1 | 9208 | — | — |
| 412-324 | PTGSBNZN16 | 8597 | — | Yes |
| 412-325 | PTTSBGZON1 | 8597 | — | — |
| 412-326 | PTTSBGZON5 | 829J | — | Yes |
| 412-327 | PTTSBGZON1 | 6534 | — | — |
| 412-328 | PTTSBGZON1 | 547E | 2010-02-26 | Yes |
| 412-329 | PTGSBNZN15 | 829J | 2001-02-08 | Yes |
| 412-330 | PTTSBGZON1 | 9208 | — | Yes |
| 412-331 | PTTSBGZON7 | 9208 | — | — |
| 412-332 | PTGSBNZN20 | 547E | 2020-10-08 | Yes |
| 412-333 | PTTSBGZON1 | 9208 | — | — |
| 412-334 | PTTSBGZON1 | 6392 | — | — |
| 412-335 | PTTSBGZON1 | 6392 | — | — |
| 412-336 | PTTSBGZON4 | 4007 | — | Yes |
| 412-337 | PTTSBGZON1 | 6392 | — | — |
| 412-338 | PTTSBGZON1 | 9208 | — | — |
| 412-339 | PTTSBGZON1 | 4007 | 2011-10-25 | Yes |
| 412-340 | PTGSBNZN19 | 6739 | — | — |
| 412-341 | PTTSBGZON6 | 9208 | — | — |
| 412-342 | PTTSBGZON4 | 829J | — | Yes |
| 412-343 | PTTSBGZON6 | 9208 | — | — |
| 412-344 | PTTSBGZON6 | 9208 | — | — |
| 412-345 | PTTSBGZON8 | 829J | — | Yes |
| 412-346 | PTGSBNZN10 | 829J | — | Yes |
| 412-347 | PTGSBNZN12 | 829J | — | Yes |
| 412-348 | PTGSBNZN17 | 829J | — | Yes |
| 412-349 | PTGSBNZN22 | 829J | — | Yes |
| 412-350 | PTTSBGZON1 | 9208 | — | Yes |
| 412-351 | PTTSBGZON4 | 9208 | — | Yes |
| 412-352 | PTTSBGZON1 | 6534 | — | — |
| 412-353 | PTTSBGZON7 | 829J | 2001-09-21 | Yes |
| 412-354 | PTTSBGZON1 | 9208 | 2011-05-31 | Yes |
| 412-355 | PTTSBGZON1 | 9208 | — | — |
| 412-356 | PTGSBNZN16 | 7229 | 2001-03-20 | Yes |
| 412-357 | PTGSBNZN22 | 4007 | 2001-08-20 | Yes |
| 412-358 | PTGSBNZN17 | 9208 | — | Yes |
| 412-359 | PTTSBGZON1 | 9208 | — | Yes |
| 412-360 | PTTSBGZON1 | 3806 | 2001-07-19 | Yes |
| 412-361 | PTTSBGZON8 | 9208 | — | Yes |
| 412-362 | PTTSBGZON8 | 9208 | — | — |
| 412-363 | PTTSBGZON8 | 9208 | — | Yes |
| 412-364 | PTGSBNZN17 | 9208 | — | — |
| 412-365 | PTTSBGZON8 | 9208 | — | Yes |
| 412-366 | PTGSBNZN17 | 9208 | — | — |
| 412-367 | PTGSBNZN17 | 9208 | — | — |
| 412-368 | PTTSBGZON5 | 4007 | 2001-03-20 | Yes |
| 412-369 | PTGSBNZN17 | 9208 | — | — |
| 412-370 | PTTSBGZON1 | 6534 | — | — |
| 412-371 | PTTSBGZON4 | 9208 | — | — |
| 412-372 | PTGSBNZN22 | 9208 | — | — |
| 412-373 | PTGSBNZN22 | 9208 | — | — |
| 412-374 | PTGSBNZN22 | 9208 | — | — |
| 412-375 | PTGSBNZN15 | 7315 | — | Yes |
| 412-376 | PTGSBNZN22 | 7229 | — | Yes |
| 412-377 | PTTSBGZON1 | 6534 | 2001-04-19 | — |
| 412-378 | PTGSBNZN22 | 6701 | — | Yes |
| 412-379 | PTTSBGZON6 | 7229 | 2001-06-20 | Yes |
| 412-380 | PTGSBNZN22 | 9208 | — | — |
| 412-381 | PTTSBGZON1 | 9208 | — | — |
| 412-382 | ELIZABETH | 9208 | — | Yes |
| 412-383 | PTTSBGZON1 | 9208 | — | — |
| 412-384 | ELIZABETH | 9208 | — | — |
| 412-385 | PTGSBNZN10 | 7229 | — | Yes |
| 412-386 | PTGSBNZN11 | 7229 | — | Yes |
| 412-387 | ELIZABETH | 7229 | — | Yes |
| 412-388 | PTTSBGZON6 | 9208 | — | Yes |
| 412-389 | PTTSBGZON1 | 6392 | — | — |
| 412-390 | PTTSBGZON1 | 9208 | — | Yes |
| 412-391 | PTTSBGZON1 | 9208 | — | — |
| 412-392 | PTTSBGZON1 | 9208 | — | — |
| 412-393 | PTTSBGZON1 | 9208 | — | Yes |
| 412-394 | PTTSBGZON1 | 9208 | — | — |
| 412-395 | PTTSBGZON1 | 7315 | — | — |
| 412-396 | PTTSBGZON1 | 9208 | — | Yes |
| 412-397 | PTGSBNZN15 | 7229 | — | Yes |
| 412-398 | PTTSBGZON1 | 6392 | — | — |
| 412-399 | PTTSBGZON5 | 4007 | — | 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.