All assignees
510 prefixes in 219 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 219-401 | CEDAR LAKE | 105F | 2014-06-11 | Yes |
| 219-402 | LA PORTE | 279F | 2015-10-06 | Yes |
| 219-403 | CEDAR LAKE | 097D | 2024-12-13 | Yes |
| 219-404 | LOWELL | 097D | 2024-12-13 | Yes |
| 219-405 | VALPARAISO | 5562 | — | Yes |
| 219-406 | PORTAGE | 5562 | — | Yes |
| 219-407 | HAMMOND | 7314 | 2016-05-18 | Yes |
| 219-408 | HAMMOND | 6534 | 2024-12-27 | Yes |
| 219-409 | VALPARAISO | 097D | 2025-01-08 | Yes |
| 219-410 | MERRILLVL | 6534 | 2025-12-05 | Yes |
| 219-411 | XXXXXXXXXX | MULT | — | — |
| 219-412 | DEMOTTE | 6725 | 2025-01-22 | Yes |
| 219-413 | E CHICAGO | 105F | 2010-08-11 | Yes |
| 219-414 | GARY | 097D | 2025-03-13 | Yes |
| 219-415 | ST JOHN | 097D | 2025-03-13 | Yes |
| 219-416 | MERRILLVL | 6534 | 2025-06-02 | Yes |
| 219-417 | MERRILLVL | 6534 | 2025-06-09 | Yes |
| 219-418 | MERRILLVL | 6534 | 2025-10-16 | Yes |
| 219-419 | WANATAH | 097D | 2019-09-30 | Yes |
| 219-420 | MERRILLVL | 6534 | 2025-11-12 | Yes |
| 219-421 | MERRILLVL | 6534 | 2025-11-12 | Yes |
| 219-422 | RENSSELAER | 097D | 2026-01-30 | Yes |
| 219-423 | CHESTERTON | 097D | 2026-04-24 | Yes |
| 219-424 | RENSSELAER | 6725 | 2010-08-18 | Yes |
| 219-425 | LA PORTE | 097D | 2026-06-01 | Yes |
| 219-426 | HAMMOND | 516J | 2022-02-25 | Yes |
| 219-427 | GARY | 318J | 2006-11-29 | Yes |
| 219-428 | MERRILLVL | 6534 | 2026-06-18 | Yes |
| 219-429 | HIGHLAND | 097D | 2026-08-21 | Yes |
| 219-430 | MERRILLVL | 6534 | 2026-09-02 | Yes |
| 219-433 | GARY | 6529 | 2007-02-21 | Yes |
| 219-437 | LA PORTE | 671J | 2026-09-04 | Yes |
| 219-440 | DYER | 4803 | 2006-02-09 | Yes |
| 219-443 | CEDAR LAKE | 6725 | 2017-04-17 | Yes |
| 219-444 | MERRILLVL | 097D | 2015-11-20 | Yes |
| 219-448 | WESTVILLE | 6529 | 2001-05-04 | Yes |
| 219-455 | GARY | 6529 | 2006-06-27 | Yes |
| 219-462 | VALPARAISO | 0772 | — | — |
| 219-463 | DYER | 516J | 2022-02-17 | Yes |
| 219-464 | VALPARAISO | 0772 | — | — |
| 219-465 | VALPARAISO | 0772 | — | Yes |
| 219-466 | E CHICAGO | 516J | 2022-02-25 | Yes |
| 219-472 | MERRILLVL | 4803 | 2004-03-15 | Yes |
| 219-473 | WHITING | 9325 | — | Yes |
| 219-474 | KENTLAND | 0832 | — | Yes |
| 219-476 | VALPARAISO | 0772 | — | Yes |
| 219-477 | VALPARAISO | 0772 | — | Yes |
| 219-484 | GARY | 6529 | 2004-03-29 | Yes |
| 219-487 | GARY | 6529 | 2006-01-25 | Yes |
| 219-488 | CROWNPOINT | 4803 | 2005-03-16 | Yes |
| 219-491 | DYER | 6725 | 2017-04-17 | Yes |
| 219-500 | MERRILLVL | 097D | 2017-09-14 | Yes |
| 219-501 | HAMMOND | 516C | 2015-01-12 | Yes |
| 219-506 | MOROCCO | 4117 | 2002-02-11 | Yes |
| 219-507 | WHEATFIELD | 4803 | 2002-06-25 | Yes |
| 219-508 | VALPARAISO | 6725 | 2002-05-13 | — |
| 219-509 | HEBRON | 4117 | 2002-03-14 | Yes |
| 219-510 | VALPARAISO | 4117 | — | Yes |
| 219-511 | XXXXXXXXXX | MULT | — | — |
| 219-512 | GARY | 6529 | — | Yes |
| 219-513 | HIGHLAND | 9325 | — | Yes |
| 219-515 | DYER | 829J | 2012-01-23 | Yes |
| 219-516 | E CHICAGO | 6529 | 2015-09-22 | Yes |
| 219-519 | WANATAH | 624H | 2021-05-10 | Yes |
| 219-525 | MERRILLVL | 4803 | 2006-01-25 | Yes |
| 219-529 | HAMMOND | 965H | 2020-05-06 | Yes |
| 219-531 | VALPARAISO | 0772 | — | — |
| 219-533 | HIGHLAND | 097D | 2017-12-21 | Yes |
| 219-544 | LA CROSSE | 6534 | — | Yes |
| 219-545 | GARY | 5562 | — | Yes |
| 219-546 | GARY | 516J | 2022-03-01 | Yes |
| 219-548 | VALPARAISO | 0772 | — | — |
| 219-552 | LOWELL | 9325 | — | Yes |
| 219-554 | HAMMOND | 9325 | — | Yes |
| 219-555 | DIR ASST | MULT | — | — |
| 219-558 | ST JOHN | 9325 | 2002-04-10 | Yes |
| 219-561 | MICHIGANCY | 5562 | — | Yes |
| 219-567 | FRANCESVL | 0832 | — | Yes |
| 219-575 | LA PORTE | 6534 | — | Yes |
| 219-576 | MERRILLVL | 4117 | — | Yes |
| 219-577 | CROWNPOINT | 4117 | — | Yes |
| 219-585 | WESTVILLE | 874F | 2010-06-16 | Yes |
| 219-587 | CEDAR LAKE | 965H | 2019-10-17 | Yes |
| 219-588 | GARY | 6529 | 2002-03-14 | Yes |
| 219-595 | HIGHLAND | 318J | 2006-09-19 | Yes |
| 219-599 | WHITING | 965H | 2021-05-20 | Yes |
| 219-600 | WHITING | 097D | 2015-08-18 | Yes |
| 219-604 | REYNOLDS | 6534 | — | Yes |
| 219-608 | LA PORTE | 5562 | 2002-04-30 | Yes |
| 219-611 | XXXXXXXXXX | MULT | — | — |
| 219-613 | CROWNPOINT | 6529 | — | Yes |
| 219-614 | GARY | 6529 | — | Yes |
| 219-615 | VALPARAISO | 318J | 2015-07-16 | Yes |
| 219-616 | MERRILLVL | 6534 | — | — |
| 219-617 | PORTAGE | 6534 | — | — |
| 219-627 | ST JOHN | 4117 | 2006-06-14 | Yes |
| 219-628 | PORTAGE | 6534 | — | Yes |
| 219-629 | HAMMOND | 6534 | — | Yes |
| 219-641 | MERRILLVL | 9325 | — | Yes |
| 219-644 | MERRILLVL | 9325 | — | 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.