All assignees
800 prefixes in 347 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 347-400 | NWYRCYZN08 | 6622 | — | Yes |
| 347-401 | NWYRCYZN06 | 4036 | 2005-01-06 | Yes |
| 347-402 | NWYRCYZN06 | 829J | — | — |
| 347-403 | NWYRCYZN06 | 4036 | 2005-01-06 | Yes |
| 347-404 | NWYRCYZN06 | 4036 | 2005-01-06 | Yes |
| 347-405 | NWYRCYZN06 | 4036 | 2005-01-06 | Yes |
| 347-406 | NWYRCYZN06 | 4036 | 2005-01-06 | Yes |
| 347-407 | NWYRCYZN06 | 4036 | 2005-01-06 | Yes |
| 347-408 | NWYRCYZN11 | 6622 | 2001-03-12 | Yes |
| 347-409 | NWYRCYZN07 | 4036 | 2005-01-06 | Yes |
| 347-410 | NWYRCYZN06 | 4036 | 2005-02-03 | Yes |
| 347-411 | XXXXXXXXXX | MULT | — | — |
| 347-412 | NWYRCYZN06 | 829J | — | — |
| 347-413 | NWYRCYZN06 | 4036 | 2004-11-18 | Yes |
| 347-414 | NWYRCYZN06 | 4036 | 2004-11-18 | Yes |
| 347-415 | NWYRCYZN06 | 4036 | 2004-11-18 | Yes |
| 347-416 | NWYRCYZN06 | 4036 | 2004-11-18 | Yes |
| 347-417 | NWYRCYZN06 | 4036 | 2005-02-03 | Yes |
| 347-418 | NWYRCYZN08 | 6622 | — | Yes |
| 347-419 | NWYRCYZN06 | 4036 | 2005-02-03 | Yes |
| 347-420 | NWYRCYZN06 | 4036 | 2005-02-11 | Yes |
| 347-421 | NWYRCYZN08 | 4036 | 2007-02-06 | Yes |
| 347-422 | NWYRCYZN06 | 793K | — | Yes |
| 347-423 | NWYRCYZN06 | 5562 | — | Yes |
| 347-424 | NWYRCYZN07 | 4006 | — | Yes |
| 347-425 | NWYRCYZN06 | 6622 | 2007-07-06 | Yes |
| 347-426 | NWYRCYZN12 | 7133 | — | Yes |
| 347-427 | NWYRCYZN05 | 4006 | — | Yes |
| 347-428 | NWYRCYZN06 | 384C | 2021-06-22 | Yes |
| 347-429 | NWYRCYZN06 | 4036 | 2008-02-06 | Yes |
| 347-430 | NWYRCYZN11 | 6622 | 2010-01-18 | Yes |
| 347-431 | NWYRCYZN03 | 6622 | — | Yes |
| 347-432 | NWYRCYZN06 | 5562 | — | Yes |
| 347-433 | NWYRCYZN12 | 6622 | 2009-10-06 | Yes |
| 347-434 | NWYRCYZN11 | 551G | — | Yes |
| 347-435 | NWYRCYZN06 | 6622 | 2007-10-11 | Yes |
| 347-436 | NWYRCYZN06 | 7133 | — | Yes |
| 347-437 | NWYRCYZN08 | 6959 | 2010-10-07 | Yes |
| 347-438 | NWYRCYZN09 | 829J | — | Yes |
| 347-439 | NWYRCYZN06 | 4036 | 2001-10-15 | Yes |
| 347-440 | NWYRCYZN12 | 6622 | 2010-01-18 | Yes |
| 347-441 | NWYRCYZN13 | 6622 | 2010-01-18 | Yes |
| 347-442 | NWYRCYZN06 | 9104 | 2007-10-05 | Yes |
| 347-443 | NWYRCYZN05 | 6959 | 2008-04-29 | Yes |
| 347-444 | NWYRCYZN10 | 5562 | 2009-07-14 | Yes |
| 347-445 | NWYRCYZN10 | 6622 | 2007-05-11 | Yes |
| 347-446 | NWYRCYZN06 | 4036 | 2002-08-08 | Yes |
| 347-447 | NWYRCYZN08 | 5562 | 2010-09-14 | Yes |
| 347-448 | NWYRCYZN08 | 4036 | 2004-11-04 | Yes |
| 347-449 | NWYRCYZN05 | 4036 | 2006-06-30 | Yes |
| 347-450 | NWYRCYZN06 | 997E | 2010-03-04 | Yes |
| 347-451 | NWYRCYZN06 | 5562 | — | Yes |
| 347-452 | NWYRCYZN07 | 6959 | — | — |
| 347-453 | NWYRCYZN10 | 4036 | 2001-10-11 | — |
| 347-454 | NWYRCYZN10 | 4036 | 2001-10-11 | Yes |
| 347-455 | NWYRCYZN10 | 5562 | — | Yes |
| 347-456 | NWYRCYZN08 | 5562 | 2007-07-11 | Yes |
| 347-457 | NWYRCYZN06 | 793K | — | Yes |
| 347-458 | NWYRCYZN06 | 6622 | 2007-03-29 | Yes |
| 347-459 | NWYRCYZN08 | 6622 | 2008-07-23 | Yes |
| 347-460 | NWYRCYZN06 | 997E | 2010-03-04 | Yes |
| 347-461 | NWYRCYZN06 | 6959 | 2006-09-20 | Yes |
| 347-462 | NWYRCYZN07 | 4006 | 2007-11-28 | Yes |
| 347-463 | NWYRCYZN06 | 4036 | — | Yes |
| 347-464 | NWYRCYZN06 | 4006 | 2008-05-12 | Yes |
| 347-465 | NWYRCYZN14 | 5562 | 2008-09-30 | Yes |
| 347-466 | NWYRCYZN14 | 6959 | 2006-10-16 | Yes |
| 347-467 | NWYRCYZN11 | 997E | 2010-02-12 | Yes |
| 347-468 | NWYRCYZN08 | 4006 | 2005-03-21 | Yes |
| 347-469 | NWYRCYZN06 | 6622 | 2008-04-30 | Yes |
| 347-470 | NWYRCYZN07 | 997E | 2010-02-11 | Yes |
| 347-471 | NWYRCYZN06 | 6622 | 2008-04-30 | Yes |
| 347-472 | NWYRCYZN08 | 829J | — | Yes |
| 347-473 | NWYRCYZN06 | 829J | — | Yes |
| 347-474 | NWYRCYZN10 | 4006 | 2010-08-06 | Yes |
| 347-475 | NWYRCYZN10 | 6622 | 2007-10-03 | Yes |
| 347-476 | NWYRCYZN10 | 6622 | 2008-03-04 | Yes |
| 347-477 | NWYRCYZN07 | 6959 | — | Yes |
| 347-478 | NWYRCYZN03 | 5562 | 2010-03-01 | Yes |
| 347-479 | NWYRCYZN04 | 6622 | 2007-10-11 | Yes |
| 347-480 | NWYRCYZN10 | 6959 | 2010-08-09 | Yes |
| 347-481 | NWYRCYZN07 | 6622 | 2007-12-01 | Yes |
| 347-482 | NWYRCYZN06 | 5562 | 2007-04-10 | Yes |
| 347-483 | NWYRCYZN03 | 5562 | 2009-09-22 | Yes |
| 347-484 | NWYRCYZN10 | 6622 | 2007-06-13 | Yes |
| 347-485 | NWYRCYZN03 | 5562 | 2009-08-26 | Yes |
| 347-486 | NWYRCYZN07 | 6959 | 2010-03-10 | Yes |
| 347-487 | NWYRCYZN13 | 7133 | — | — |
| 347-488 | NWYRCYZN04 | 5562 | 2009-03-30 | Yes |
| 347-489 | NWYRCYZN06 | 5562 | — | Yes |
| 347-490 | NWYRCYZN03 | 5562 | 2010-02-19 | Yes |
| 347-491 | NWYRCYZN04 | 6959 | 2010-08-09 | Yes |
| 347-492 | NWYRCYZN07 | 612K | 2007-05-22 | Yes |
| 347-493 | NWYRCYZN04 | 9104 | 2006-06-06 | Yes |
| 347-494 | NWYRCYZN10 | 9104 | 2008-05-13 | Yes |
| 347-495 | NWYRCYZN06 | 6622 | 2001-10-26 | — |
| 347-496 | NWYRCYZN06 | 5562 | 2007-06-27 | Yes |
| 347-497 | NWYRCYZN07 | 4036 | 2006-01-06 | Yes |
| 347-498 | NWYRCYZN03 | 612K | — | Yes |
| 347-499 | NWYRCYZN05 | 5562 | 2008-09-30 | 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.