All assignees
609 prefixes in 224 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 224-400 | ARLIGTNHTS | 6529 | — | Yes |
| 224-401 | ALGONQUIN | 6534 | 2013-01-15 | Yes |
| 224-402 | ELGIN | 6529 | 2002-04-19 | Yes |
| 224-403 | WILMETTE | 224C | 2021-08-12 | Yes |
| 224-404 | ELK GROVE | 9329 | 2013-01-15 | Yes |
| 224-405 | NORTHBROOK | 508J | 2002-02-07 | — |
| 224-406 | NORTHBROOK | 6333 | 2005-08-08 | Yes |
| 224-407 | ELGIN | 6333 | 2013-02-19 | Yes |
| 224-408 | WILMETTE | 318J | 2013-04-30 | Yes |
| 224-409 | ARLIGTNHTS | 6529 | 2013-05-24 | Yes |
| 224-410 | ALGONQUIN | 6529 | 2013-05-24 | Yes |
| 224-411 | XXXXXXXXXX | MULT | — | — |
| 224-412 | NORTHBROOK | 6333 | 2013-07-18 | Yes |
| 224-413 | WAUKEGAN | 6529 | 2013-07-09 | Yes |
| 224-414 | BENSENVL | 829J | 2016-10-31 | Yes |
| 224-415 | NORTHBROOK | 6529 | 2013-07-09 | Yes |
| 224-416 | WAUKEGAN | 984E | 2021-08-31 | Yes |
| 224-417 | EVANSTON | 6534 | 2021-09-10 | Yes |
| 224-418 | ELK GROVE | 6529 | 2021-09-22 | Yes |
| 224-419 | WAUKEGAN | 6534 | 2010-06-30 | Yes |
| 224-420 | EVANSTON | 6534 | 2001-09-14 | Yes |
| 224-421 | ARLIGTNHTS | 6529 | 2016-11-11 | Yes |
| 224-422 | DESPLAINES | 6333 | 2006-10-13 | Yes |
| 224-423 | DESPLAINES | 6333 | 2014-03-25 | Yes |
| 224-424 | LIBERTYVL | 6529 | — | Yes |
| 224-425 | ARLIGTNHTS | 6529 | 2007-07-10 | Yes |
| 224-426 | FOX LAKE | 6534 | 2016-11-29 | Yes |
| 224-427 | BARRINGTON | 6529 | 2013-04-18 | Yes |
| 224-428 | ALGONQUIN | 6529 | 2016-11-11 | Yes |
| 224-429 | GRAYSLAKE | 939H | 2021-09-23 | Yes |
| 224-430 | WAUKEGAN | 6534 | 2002-01-22 | Yes |
| 224-431 | ARLIGTNHTS | 6529 | 2021-10-11 | Yes |
| 224-432 | GLENVIEW | 6529 | 2013-07-09 | Yes |
| 224-433 | LIBERTYVL | 6529 | 2006-04-25 | Yes |
| 224-434 | WHEELING | 6534 | 2014-10-08 | Yes |
| 224-435 | GLENVIEW | 6529 | 2014-11-07 | Yes |
| 224-436 | LAKEFOREST | 6529 | 2002-06-07 | Yes |
| 224-437 | WHEELING | 6534 | 2021-10-19 | Yes |
| 224-438 | LAKEZURICH | 7136 | 2021-10-25 | Yes |
| 224-439 | WAUKEGAN | 7136 | 2021-11-17 | Yes |
| 224-440 | WAUKEGAN | 6534 | 2008-10-28 | Yes |
| 224-441 | WAUKEGAN | 6534 | 2008-10-28 | Yes |
| 224-442 | FRANKLINPK | 984E | 2014-04-25 | Yes |
| 224-443 | DESPLAINES | 6333 | 2014-09-29 | Yes |
| 224-444 | LAKE VILLA | 9329 | — | Yes |
| 224-445 | ANTIOCH | 224C | 2021-06-01 | Yes |
| 224-446 | DESPLAINES | 6333 | 2022-05-11 | Yes |
| 224-447 | WAUKEGAN | 5562 | 2021-10-07 | Yes |
| 224-448 | BARRINGTON | 6534 | 2021-12-23 | Yes |
| 224-449 | ELGIN | 5562 | 2021-09-22 | Yes |
| 224-450 | ALGONQUIN | 6534 | 2022-01-07 | Yes |
| 224-451 | BARRINGTON | 224C | 2020-06-22 | Yes |
| 224-452 | PALATINE | 224C | 2021-05-04 | Yes |
| 224-453 | DEERFIELD | 6534 | 2022-01-31 | Yes |
| 224-454 | ELGIN | 6529 | 2022-02-22 | Yes |
| 224-455 | WAUKEGAN | 965H | 2021-10-27 | Yes |
| 224-456 | NORTHBROOK | 6333 | 2006-04-27 | Yes |
| 224-457 | ELGIN | 6333 | 2022-02-25 | Yes |
| 224-458 | NORTHBROOK | 6333 | 2014-12-22 | Yes |
| 224-459 | LIBERTYVL | 6529 | 2022-03-22 | Yes |
| 224-460 | ARLIGTNHTS | 6529 | 2022-04-01 | Yes |
| 224-461 | DEERFIELD | 6333 | 2022-05-11 | Yes |
| 224-462 | ALGONQUIN | 6534 | 2022-05-27 | Yes |
| 224-463 | GLENVIEW | 6333 | 2022-06-09 | Yes |
| 224-464 | WHEELING | 6534 | 2022-06-10 | Yes |
| 224-465 | ARLIGTNHTS | 6529 | 2007-04-24 | Yes |
| 224-466 | NORTHBROOK | 965H | 2021-10-27 | Yes |
| 224-467 | NORTHBROOK | 6534 | 2022-06-22 | Yes |
| 224-468 | ELGIN | 6529 | 2023-07-28 | Yes |
| 224-469 | WAUKEGAN | 6529 | 2015-05-22 | Yes |
| 224-470 | SKOKIE | 318J | 2014-09-16 | Yes |
| 224-471 | DESPLAINES | 6333 | 2022-07-28 | Yes |
| 224-472 | WINNETKA | 224C | 2021-05-04 | Yes |
| 224-473 | ROUND LAKE | 7196 | 2002-01-28 | — |
| 224-474 | DESPLAINES | 6333 | 2022-08-05 | Yes |
| 224-475 | MUNDELEIN | 318J | 2007-06-07 | Yes |
| 224-476 | DESPLAINES | 7136 | 2022-08-09 | Yes |
| 224-477 | DESPLAINES | 5562 | 2017-01-20 | Yes |
| 224-478 | DESPLAINES | 6115 | 2014-10-01 | Yes |
| 224-479 | NORTHBROOK | 6529 | 2014-10-24 | Yes |
| 224-480 | WAUKEGAN | 6534 | 2014-10-24 | Yes |
| 224-481 | WHEELING | 6534 | 2022-08-09 | Yes |
| 224-482 | DEERFIELD | 6333 | 2022-08-24 | Yes |
| 224-483 | ELGIN | 984E | 2022-09-02 | Yes |
| 224-484 | DUNDEE | 460K | 2006-05-12 | Yes |
| 224-485 | BARRINGTON | 732J | 2022-09-21 | Yes |
| 224-486 | ARLIGTNHTS | 6529 | 2022-09-26 | Yes |
| 224-487 | CARY | 224C | 2016-02-24 | Yes |
| 224-488 | GLENVIEW | 965H | 2019-10-11 | Yes |
| 224-489 | BARRINGTON | 6529 | 2002-06-10 | Yes |
| 224-490 | ARLIGTNHTS | 6534 | 2022-10-03 | Yes |
| 224-491 | GLENVIEW | 6333 | 2022-10-12 | Yes |
| 224-492 | NORTHBROOK | 6534 | 2023-01-10 | Yes |
| 224-493 | ELGIN | 6333 | 2023-03-01 | Yes |
| 224-494 | DUNDEE | 7229 | 2023-03-08 | Yes |
| 224-495 | NORTHBROOK | 6534 | 2023-04-25 | Yes |
| 224-496 | SKOKIE | 224C | 2023-06-26 | Yes |
| 224-497 | ELGIN | 224C | 2023-07-11 | Yes |
| 224-498 | ANTIOCH | 939H | 2023-08-08 | Yes |
| 224-499 | ARLIGTNHTS | 965H | 2020-07-10 | 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.