All assignees
609 prefixes in 224 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 224-600 | ALGONQUIN | 6529 | 2011-02-10 | Yes |
| 224-601 | SKOKIE | 9329 | 2012-09-06 | Yes |
| 224-602 | MUNDELEIN | 6534 | 2016-11-10 | Yes |
| 224-603 | ANTIOCH | 6115 | 2005-06-29 | Yes |
| 224-604 | ELGIN | 624H | 2024-03-12 | Yes |
| 224-605 | ELGIN | 6529 | 2016-12-12 | Yes |
| 224-606 | WAUCONDA | 624H | 2024-03-13 | Yes |
| 224-607 | ARLIGTNHTS | 6529 | 2016-12-12 | Yes |
| 224-608 | NORTHBROOK | 6534 | 2024-04-30 | Yes |
| 224-609 | ALGONQUIN | 6534 | 2024-05-08 | Yes |
| 224-610 | WAUKEGAN | 318J | 2005-02-02 | Yes |
| 224-611 | XXXXXXXXXX | MULT | — | — |
| 224-612 | DESPLAINES | 6333 | 2004-07-27 | Yes |
| 224-613 | ALGONQUIN | 6534 | 2024-06-25 | Yes |
| 224-614 | ARLIGTNHTS | 6529 | 2024-08-21 | Yes |
| 224-615 | ARLIGTNHTS | 6534 | 2024-08-22 | Yes |
| 224-616 | GLENVIEW | 6529 | 2005-12-06 | Yes |
| 224-617 | ALGONQUIN | 6534 | 2024-08-29 | Yes |
| 224-618 | ALGONQUIN | 6534 | 2024-09-24 | Yes |
| 224-619 | DEERFIELD | 6529 | 2001-11-13 | Yes |
| 224-620 | NORTHBROOK | 6534 | 2024-09-24 | Yes |
| 224-621 | WAUKEGAN | 490J | 2024-10-22 | Yes |
| 224-622 | BARRINGTON | 6529 | 2002-03-28 | — |
| 224-623 | ALGONQUIN | 6529 | 2001-11-13 | Yes |
| 224-624 | ARLIGTNHTS | 6534 | 2024-10-24 | Yes |
| 224-625 | ARLIGTNHTS | 9329 | 2002-02-25 | Yes |
| 224-626 | NORTHBROOK | 6534 | 2024-12-09 | Yes |
| 224-627 | WAUKEGAN | 6529 | 2002-04-30 | Yes |
| 224-628 | NORTHBROOK | 6529 | 2002-07-30 | Yes |
| 224-629 | ELGIN | 6529 | 2001-10-18 | Yes |
| 224-630 | ELGIN | 6333 | 2024-12-09 | Yes |
| 224-631 | ARLIGTNHTS | 6529 | 2025-01-07 | Yes |
| 224-632 | DEERFIELD | 9329 | 2002-09-23 | Yes |
| 224-633 | BARRINGTON | 6115 | 2005-02-28 | Yes |
| 224-634 | BARRINGTON | 6534 | 2009-04-28 | Yes |
| 224-635 | ELK GROVE | 224C | 2009-01-30 | Yes |
| 224-636 | NORTHBROOK | 6529 | 2005-04-22 | Yes |
| 224-637 | WAUKEGAN | 6529 | 2007-09-12 | Yes |
| 224-638 | ALGONQUIN | 6534 | 2025-01-07 | Yes |
| 224-639 | NORTHBROOK | 224C | — | Yes |
| 224-640 | FOX LAKE | 224C | 2025-02-05 | Yes |
| 224-641 | NORTHBROOK | 6534 | 2025-03-07 | Yes |
| 224-642 | ELGIN | 516J | 2022-02-25 | Yes |
| 224-643 | LAKE VILLA | 9329 | 2002-06-27 | Yes |
| 224-644 | PALATINE | 224C | 2025-03-13 | Yes |
| 224-645 | NORTHBROOK | 6529 | 2007-06-05 | Yes |
| 224-646 | NORTHBROOK | 6534 | 2025-05-20 | Yes |
| 224-647 | ARLIGTNHTS | 6529 | 2025-06-06 | Yes |
| 224-648 | ARLIGTNHTS | 6534 | 2025-06-06 | Yes |
| 224-649 | NORTHBROOK | 063E | 2008-06-25 | Yes |
| 224-650 | HUNTLEY | 6534 | 2008-10-28 | Yes |
| 224-651 | DESPLAINES | 6333 | 2015-11-23 | Yes |
| 224-652 | ARLIGTNHTS | 6529 | 2025-06-17 | Yes |
| 224-653 | ROSELLE | 9329 | 2002-05-20 | Yes |
| 224-654 | HUNTLEY | 9329 | 2006-05-30 | Yes |
| 224-655 | BARRINGTON | 6115 | 2005-12-30 | Yes |
| 224-656 | WAUKEGAN | 7229 | 2006-09-26 | Yes |
| 224-657 | NORTHBROOK | 6534 | 2025-07-10 | Yes |
| 224-658 | NORTHBROOK | 6534 | 2025-07-10 | Yes |
| 224-659 | ELK GROVE | 6529 | 2002-08-13 | Yes |
| 224-660 | GLENVIEW | 6333 | — | Yes |
| 224-661 | GLENVIEW | 984E | 2014-04-02 | Yes |
| 224-662 | LAKEZURICH | 984E | 2014-04-02 | Yes |
| 224-663 | ARLIGTNHTS | 6529 | 2025-08-12 | Yes |
| 224-664 | DESPLAINES | 6333 | 2025-08-18 | Yes |
| 224-665 | WAUKEGAN | 9329 | 2014-05-08 | Yes |
| 224-666 | ARLIGTNHTS | 145J | 2019-03-06 | Yes |
| 224-667 | WAUKEGAN | 9329 | 2013-12-31 | Yes |
| 224-668 | WAUKEGAN | 9329 | 2013-12-31 | Yes |
| 224-669 | ARLIGTNHTS | 6529 | 2025-09-10 | Yes |
| 224-670 | ARLIGTNHTS | 6529 | 2025-10-03 | Yes |
| 224-671 | ARLIGTNHTS | 6529 | 2025-11-05 | Yes |
| 224-672 | ARLIGTNHTS | 6529 | 2025-11-17 | Yes |
| 224-675 | CARY | 224C | 2025-12-18 | Yes |
| 224-676 | WHEELING | 318J | 2006-09-15 | Yes |
| 224-677 | LAKEZURICH | 6115 | — | Yes |
| 224-678 | ALGONQUIN | 6115 | 2006-06-19 | Yes |
| 224-679 | ARLIGTNHTS | 6529 | 2026-01-12 | Yes |
| 224-680 | ELGIN | 224C | 2026-01-27 | Yes |
| 224-681 | ALGONQUIN | 6534 | 2026-02-23 | Yes |
| 224-682 | NORTHBROOK | 6534 | 2026-03-03 | Yes |
| 224-683 | NORTHBROOK | 6534 | 2026-03-03 | Yes |
| 224-684 | NORTHBROOK | 6534 | 2026-03-03 | Yes |
| 224-685 | ARLIGTNHTS | 6534 | 2026-03-03 | Yes |
| 224-686 | PARK RIDGE | 224C | 2026-04-16 | Yes |
| 224-687 | ALGONQUIN | 6534 | 2026-08-14 | Yes |
| 224-688 | NORTHBROOK | 6333 | 2006-05-18 | Yes |
| 224-689 | ELGIN | 965H | 2020-07-14 | Yes |
| 224-690 | ALGONQUIN | 5562 | 2026-06-15 | Yes |
| 224-691 | WHEELING | 6529 | 2026-06-16 | Yes |
| 224-692 | NORTHBROOK | 6534 | 2026-09-02 | Yes |
| 224-698 | ROSELLE | 9329 | 2002-09-24 | Yes |
| 224-699 | DUNDEE | 6115 | 2006-05-12 | Yes |
| 224-700 | — | — | ||
| 224-701 | LAKE VILLA | 984E | 2013-12-24 | Yes |
| 224-702 | ZION | 984E | 2013-12-24 | Yes |
| 224-703 | ALGONQUIN | 6534 | 2013-11-12 | Yes |
| 224-704 | ALGONQUIN | 984E | 2013-11-15 | Yes |
| 224-706 | LAKEFOREST | 984E | 2014-01-23 | Yes |
| 224-707 | HIGHLANDPK | 984E | 2014-01-27 | 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.