All assignees
800 prefixes in 336 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 336-400 | CHAMPION | 792K | 2018-01-31 | Yes |
| 336-401 | LEVELCROSS | 0503 | — | Yes |
| 336-402 | GREENSBORO | 6324 | — | Yes |
| 336-403 | WINSTN SAL | 6324 | — | — |
| 336-404 | GREENSBORO | 6324 | — | Yes |
| 336-405 | GREENSBORO | 8645 | 2011-06-17 | Yes |
| 336-406 | WINSTN SAL | 6324 | — | Yes |
| 336-407 | WINSTN SAL | 6324 | — | — |
| 336-408 | WINSTN SAL | 6324 | — | — |
| 336-409 | WINSTN SAL | 6324 | — | Yes |
| 336-410 | HIGH POINT | 0491 | — | Yes |
| 336-411 | XXXXXXXXXX | MULT | — | — |
| 336-412 | GREENSBORO | 9417 | — | Yes |
| 336-413 | WINSTN SAL | 6324 | — | Yes |
| 336-414 | WINSTN SAL | 6324 | — | — |
| 336-415 | MOUNT AIRY | 6214 | 2009-07-24 | Yes |
| 336-416 | WINSTN SAL | 6324 | — | — |
| 336-417 | BURLINGTON | 7973 | — | Yes |
| 336-418 | WINSTN SAL | 9417 | — | Yes |
| 336-419 | GREENSBORO | 7229 | 2009-08-05 | Yes |
| 336-420 | GREENSBORO | 6324 | — | — |
| 336-421 | ANDERSON | 9417 | — | Yes |
| 336-422 | WINSTN SAL | 8645 | 2010-06-15 | Yes |
| 336-423 | KERNERSVL | 7973 | — | Yes |
| 336-424 | GREENSBORO | 9417 | — | — |
| 336-425 | LEXINGTON | 6214 | 2002-08-28 | Yes |
| 336-426 | ELKIN | 5932 | 2004-04-13 | Yes |
| 336-427 | MADISON | 0471 | — | — |
| 336-428 | ELKIN | 6214 | 2002-03-26 | Yes |
| 336-429 | MOUNT AIRY | 8645 | 2004-06-03 | Yes |
| 336-430 | GREENSBORO | 6324 | — | Yes |
| 336-431 | HIGH POINT | 0491 | — | — |
| 336-432 | REIDSVILLE | 6214 | — | Yes |
| 336-433 | GREENSBORO | 9417 | — | Yes |
| 336-434 | HIGH POINT | 0491 | — | — |
| 336-435 | WINSTN SAL | 9417 | — | — |
| 336-436 | BURLINGTON | 9417 | — | Yes |
| 336-437 | BURLINGTON | 9417 | — | Yes |
| 336-438 | BURLINGTON | 9417 | — | Yes |
| 336-439 | ROXBORO | 440G | 2014-09-12 | Yes |
| 336-440 | BURLINGTON | 9417 | 2010-12-13 | Yes |
| 336-441 | SUMMERFLD | 3235 | 2003-10-01 | Yes |
| 336-442 | HIGH POINT | 8645 | — | Yes |
| 336-443 | DOBSON | 3235 | 2004-07-16 | Yes |
| 336-444 | PILOT MT | 7835 | 2005-04-13 | Yes |
| 336-445 | MADISON | 0471 | — | — |
| 336-446 | GIBSONVL | 0470 | — | Yes |
| 336-447 | GIBSONVL | 6324 | — | Yes |
| 336-448 | WINSTN SAL | 6214 | 2011-03-24 | Yes |
| 336-449 | GIBSONVL | 0470 | — | — |
| 336-450 | GREENSBORO | 4792 | 2009-07-31 | Yes |
| 336-451 | GREENSBORO | 8645 | 2001-02-08 | Yes |
| 336-452 | LOMAX | 5932 | 2006-05-10 | Yes |
| 336-453 | MADISON | 6214 | — | Yes |
| 336-454 | HIGH POINT | 0491 | — | Yes |
| 336-455 | GREENSBORO | 7835 | 2005-03-15 | Yes |
| 336-456 | GREENSBORO | 8645 | — | — |
| 336-457 | GREENSBORO | 8645 | — | — |
| 336-458 | GREENSBORO | 7973 | — | Yes |
| 336-459 | YANCEYVL | 3235 | 2004-04-26 | Yes |
| 336-460 | ASHEBORO | 6324 | — | Yes |
| 336-461 | BADIN LAKE | 0496 | — | Yes |
| 336-462 | WINSTN SAL | 8645 | — | Yes |
| 336-463 | COURTNEY | 0511 | — | Yes |
| 336-464 | WINSTN SAL | 7973 | — | Yes |
| 336-465 | ASHEBORO | 6324 | — | Yes |
| 336-466 | BROOKS | 6324 | — | Yes |
| 336-467 | BROOKS | 6324 | — | Yes |
| 336-468 | BROOKS | 0511 | — | Yes |
| 336-469 | BROOKS | 6324 | — | Yes |
| 336-470 | LEXINGTON | 8645 | — | Yes |
| 336-471 | HIGH POINT | 8645 | — | Yes |
| 336-472 | THOMASVL | 0491 | — | — |
| 336-473 | WINSTN SAL | 8645 | 2001-05-15 | Yes |
| 336-474 | THOMASVL | 0491 | — | Yes |
| 336-475 | THOMASVL | 0491 | — | — |
| 336-476 | THOMASVL | 0491 | — | — |
| 336-477 | MOCKSVILLE | 8645 | 2003-09-22 | Yes |
| 336-478 | GREENSBORO | 829J | — | Yes |
| 336-479 | LEXINGTON | 8645 | 2001-07-02 | Yes |
| 336-480 | WINSTN SAL | 829J | — | Yes |
| 336-481 | THOMASVL | 0491 | 2010-06-18 | Yes |
| 336-482 | GREENSBORO | 829J | — | Yes |
| 336-483 | ASHEBORO | 829J | — | Yes |
| 336-484 | MONTICELLO | 829J | — | Yes |
| 336-485 | SUMMERFLD | 829J | — | Yes |
| 336-486 | WINSTN SAL | 6324 | 2002-10-29 | Yes |
| 336-487 | GREENSBORO | 9417 | 2012-06-26 | Yes |
| 336-488 | BROOKS | 6324 | — | Yes |
| 336-489 | WJEFFERSON | 6214 | 2006-05-18 | Yes |
| 336-490 | DENTON | 0476 | 2011-09-01 | Yes |
| 336-491 | HIGH POINT | 8645 | 2001-06-12 | Yes |
| 336-492 | IJAMES | 0511 | — | Yes |
| 336-493 | ASHEBORO | 8645 | 2012-03-27 | Yes |
| 336-494 | BURLINGTON | 829J | — | Yes |
| 336-495 | RANDLEMAN | 0491 | — | — |
| 336-496 | REIDSVILLE | 829J | — | Yes |
| 336-497 | KERNERSVL | 829J | — | Yes |
| 336-498 | RANDLEMAN | 0491 | — | — |
| 336-499 | WINSTN SAL | 3235 | — | — |
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.