All assignees
668 prefixes in 606 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 606-401 | LONDON | 9691 | 2012-01-30 | Yes |
| 606-402 | AUGUSTA | 6500 | 2005-01-20 | Yes |
| 606-403 | WHITESBURG | 896E | 2007-03-07 | Yes |
| 606-404 | CORBIN | 6500 | — | Yes |
| 606-405 | CATLETTSBG | 7229 | 2005-04-12 | Yes |
| 606-406 | CORBIN | 6214 | 2022-04-19 | Yes |
| 606-407 | MAYSVILLE | 6500 | — | Yes |
| 606-408 | ASHLAND | 9690 | 2007-09-27 | — |
| 606-409 | EUBANK | 939H | 2023-08-18 | Yes |
| 606-410 | CORBIN | 624H | 2024-04-18 | Yes |
| 606-411 | XXXXXXXXXX | MULT | — | — |
| 606-412 | FLEMINGSBG | 896E | — | Yes |
| 606-413 | CORBIN | 6214 | 2023-02-27 | Yes |
| 606-414 | ELKHORN CY | 896E | 2023-08-29 | Yes |
| 606-415 | MCDOWELL | 896E | 2023-06-30 | Yes |
| 606-416 | SOMERSET | 6500 | 2005-11-21 | Yes |
| 606-417 | FREEBURN | 6214 | 2002-06-05 | Yes |
| 606-418 | HUSTONVL | 896E | 2023-08-29 | Yes |
| 606-419 | CHAPMAN | 6940 | 2007-09-21 | — |
| 606-420 | ASHLAND | 793K | 2011-11-23 | Yes |
| 606-421 | FEDSCREEK | 624H | 2024-04-18 | Yes |
| 606-422 | PIKEVILLE | 6214 | 2001-03-09 | — |
| 606-423 | SCIENCE HL | 9691 | — | — |
| 606-424 | PIKEVILLE | 6214 | — | — |
| 606-425 | SOMERSET | 6214 | 2007-02-16 | Yes |
| 606-426 | FAUBUSH | 896E | 2022-12-07 | Yes |
| 606-427 | MCCARR | 9419 | — | — |
| 606-428 | WILLIAMSBG | 365C | 2016-08-15 | Yes |
| 606-429 | RUSSELL | 896E | 2024-02-27 | Yes |
| 606-430 | PIKEVILLE | 2623 | 2020-06-10 | Yes |
| 606-431 | ELKHORN CY | 7229 | 2010-02-17 | Yes |
| 606-432 | PIKEVILLE | 9419 | — | — |
| 606-433 | PIKEVILLE | 9419 | — | Yes |
| 606-434 | PIKEVILLE | 6214 | — | — |
| 606-435 | HAZARD | 9690 | — | — |
| 606-436 | HAZARD | 9690 | — | — |
| 606-437 | PIKEVILLE | 9419 | — | — |
| 606-438 | HAZARD | 6940 | — | — |
| 606-439 | HAZARD | 9690 | — | — |
| 606-440 | VANCEBURG | 9690 | 2012-01-30 | Yes |
| 606-441 | PINEVILLE | 896E | — | Yes |
| 606-442 | JELLICO | 478J | 2020-08-28 | Yes |
| 606-443 | CORBIN | 6214 | 2024-12-02 | Yes |
| 606-444 | PIKEVILLE | 896E | — | Yes |
| 606-445 | FREEBURN | 624H | 2024-04-18 | Yes |
| 606-446 | CUMBERLAND | 2623 | 2013-01-16 | Yes |
| 606-447 | TOPMOST | 0419 | — | — |
| 606-448 | LIBERTY | 9690 | 2012-01-30 | Yes |
| 606-449 | MIDDLESBO | 365C | 2017-10-24 | Yes |
| 606-450 | MCCARR | 624H | 2024-04-18 | Yes |
| 606-451 | SOMERSET | 9690 | — | — |
| 606-452 | WHEELWRIHT | 0408 | — | — |
| 606-453 | LIVINGSTON | 9691 | — | — |
| 606-454 | PIKEVILLE | 6214 | — | — |
| 606-455 | MAYSVILLE | 847H | 2022-09-21 | Yes |
| 606-456 | FREEBURN | 9419 | — | — |
| 606-457 | MANCHESTER | 896E | 2024-03-20 | Yes |
| 606-458 | GRAYSON | 506J | 2024-02-15 | Yes |
| 606-459 | PRESTONSBG | 896E | — | Yes |
| 606-460 | CORBIN | 6214 | 2024-01-04 | Yes |
| 606-461 | CORBIN | 6214 | 2025-02-27 | Yes |
| 606-462 | MOREHEAD | 5562 | 2001-11-05 | Yes |
| 606-463 | VIRGIE | 896E | 2024-05-14 | Yes |
| 606-464 | BEATTYVL | 9419 | — | — |
| 606-465 | MEADS | 4036 | — | Yes |
| 606-466 | NEON | 506J | 2023-06-30 | Yes |
| 606-467 | ASHLAND | 9690 | 2002-09-19 | Yes |
| 606-468 | CORBIN | 6214 | 2026-02-13 | Yes |
| 606-469 | WHITESBURG | 6214 | — | — |
| 606-470 | JOHNSVILLE | 793K | 2025-11-25 | Yes |
| 606-471 | ASHLAND | 6500 | — | Yes |
| 606-472 | GRAYSON | 9690 | 2004-05-10 | — |
| 606-473 | GREENUP | 9690 | — | — |
| 606-474 | GRAYSON | 9690 | — | — |
| 606-475 | GRAYSON | 9690 | — | — |
| 606-476 | VICCO | 9690 | — | — |
| 606-477 | HAROLD | 6940 | — | — |
| 606-478 | HAROLD | 0408 | — | — |
| 606-479 | HAROLD | 0408 | — | — |
| 606-481 | STANTON | 6214 | 2002-06-05 | Yes |
| 606-482 | PAINTSVL | 6940 | — | — |
| 606-483 | LOUISA | 6214 | 2002-06-26 | Yes |
| 606-484 | FRENCHBURG | 6214 | 2002-06-26 | Yes |
| 606-485 | SOMERSET | 793K | 2011-11-23 | Yes |
| 606-486 | WHITESBURG | 515J | 2024-05-24 | Yes |
| 606-487 | HAZARD | 9690 | — | — |
| 606-488 | MCCARR | 4369 | 2006-10-25 | Yes |
| 606-489 | CORBIN | 515J | 2024-05-24 | Yes |
| 606-491 | OLIVE HILL | 506J | 2024-06-20 | Yes |
| 606-492 | SOMERSET | 9690 | 2011-06-03 | Yes |
| 606-493 | MCKEE | 6940 | 2003-04-14 | — |
| 606-494 | RUSSELL | 9690 | — | — |
| 606-495 | W LIBERTY | 6940 | 2003-04-14 | Yes |
| 606-496 | SALYERSVL | 6940 | 2003-04-14 | — |
| 606-497 | HINDMAN | 6940 | 2003-04-14 | — |
| 606-498 | SOUTHSHORE | 365C | — | Yes |
| 606-499 | MIDDLESBO | 6214 | 2004-10-19 | Yes |
| 606-500 | WALLINSCRK | 965H | 2020-08-19 | Yes |
| 606-501 | EVARTS | 6940 | 2008-10-31 | Yes |
| 606-502 | PIKEVILLE | 9419 | — | — |
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.