All assignees
800 prefixes in 815 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 815-600 | JOLIET | 6534 | 2003-07-14 | Yes |
| 815-601 | ROCKFORD | 6265 | — | Yes |
| 815-602 | KANKAKEE | 460K | — | — |
| 815-603 | JOLIET | 6529 | 2001-09-28 | — |
| 815-604 | BELVIDERE | 224C | 2019-07-31 | Yes |
| 815-605 | GRANT PARK | 6115 | 2002-04-02 | Yes |
| 815-606 | OTTAWA | 460K | — | — |
| 815-607 | PEARL CITY | 624H | 2024-10-01 | Yes |
| 815-608 | ROCKFORD | 6529 | 2002-09-30 | Yes |
| 815-609 | PLAINFIELD | 9329 | 2001-10-24 | — |
| 815-610 | HENNEPIN | 224C | 2024-10-30 | Yes |
| 815-611 | XXXXXXXXXX | MULT | — | — |
| 815-612 | MOMENCE | 6534 | 2025-05-16 | Yes |
| 815-613 | DIXON | 6534 | 2019-08-30 | Yes |
| 815-614 | KANKAKEE | 9329 | — | Yes |
| 815-615 | MENDOTA | 6115 | 2001-10-31 | Yes |
| 815-616 | FREEPORT | 6529 | 2004-01-07 | Yes |
| 815-617 | OTTAWA | 7136 | — | Yes |
| 815-618 | FREEPORT | 6534 | 2006-12-21 | Yes |
| 815-619 | ROCKTON | 443F | 2003-05-27 | — |
| 815-620 | MINOOKA | 063E | 2018-10-31 | Yes |
| 815-621 | ROCKFORD | 6529 | — | Yes |
| 815-622 | STERLING | 9329 | — | Yes |
| 815-623 | ROSCOE | 1015 | — | Yes |
| 815-624 | ROCKTON | 1015 | — | Yes |
| 815-625 | STERLING | 9329 | — | — |
| 815-626 | STERLING | 9329 | — | — |
| 815-627 | PAW PAW | 1015 | — | Yes |
| 815-628 | W BROOKLYN | 1015 | — | Yes |
| 815-629 | SHIRLAND | 1015 | — | Yes |
| 815-630 | JOLIET | 6529 | 2006-07-24 | Yes |
| 815-631 | STERLING | 9329 | — | Yes |
| 815-632 | STERLING | 9329 | — | Yes |
| 815-633 | ROCKFORD | 9329 | — | — |
| 815-634 | COAL CITY | 9329 | — | Yes |
| 815-635 | CHATSWORTH | 1015 | — | Yes |
| 815-636 | ROCKFORD | 9329 | — | — |
| 815-637 | ROCKFORD | 9329 | — | — |
| 815-638 | LA MOILLE | 1015 | — | Yes |
| 815-639 | ROCKFORD | 9329 | — | — |
| 815-640 | OTTAWA | 7136 | 2001-12-28 | Yes |
| 815-641 | JOLIET | 6333 | 2008-01-21 | Yes |
| 815-642 | MINOOKA | 6115 | — | Yes |
| 815-643 | DOVER | 1015 | — | Yes |
| 815-644 | CRESCENTCY | 8702 | — | Yes |
| 815-645 | STILMANVLY | 1015 | — | Yes |
| 815-646 | TISKILWA | 1015 | — | Yes |
| 815-647 | CULLOM | 846F | — | Yes |
| 815-648 | HEBRON | 1015 | — | Yes |
| 815-649 | GARDNER | 8702 | — | Yes |
| 815-650 | FREEPORT | 5562 | — | Yes |
| 815-651 | JOLIET | 8702 | — | Yes |
| 815-652 | GRANDDTOUR | 1057 | — | Yes |
| 815-653 | WONDERLAKE | 1015 | — | Yes |
| 815-654 | ROCKFORD | 9329 | — | — |
| 815-655 | COAL CITY | 7136 | 2019-02-18 | Yes |
| 815-656 | FREEPORT | 6115 | 2002-06-26 | Yes |
| 815-657 | FORREST | 9329 | — | Yes |
| 815-658 | NEWARK | 7136 | 2019-08-02 | Yes |
| 815-659 | BUREAU | 1015 | — | Yes |
| 815-660 | LOCKPORT | 8702 | — | Yes |
| 815-661 | MORRIS | 8702 | — | Yes |
| 815-662 | MOMENCE | 6115 | — | Yes |
| 815-663 | SPRING VLY | 1015 | — | Yes |
| 815-664 | SPRING VLY | 1015 | — | Yes |
| 815-665 | OTTAWA | 8702 | — | Yes |
| 815-666 | JOLIET | 6333 | 2006-08-30 | Yes |
| 815-667 | UTICA | 9329 | — | Yes |
| 815-668 | ROCKFORD | 224C | 2009-04-02 | Yes |
| 815-669 | MCHENRY | 6115 | — | Yes |
| 815-670 | ROCKFORD | 6529 | — | Yes |
| 815-671 | JOLIET | 6115 | — | Yes |
| 815-672 | STREATOR | 1015 | — | — |
| 815-673 | STREATOR | 1015 | — | Yes |
| 815-674 | STREATOR | 6534 | — | — |
| 815-675 | SPRING GRV | 1015 | — | Yes |
| 815-676 | PLAINFIELD | 6115 | — | Yes |
| 815-677 | DIXON | 6333 | 2005-03-17 | Yes |
| 815-678 | RICHMOND | 1015 | — | Yes |
| 815-679 | MCHENRY | 8702 | — | Yes |
| 815-680 | MANHATTAN | 8702 | — | Yes |
| 815-681 | OGLESBY | 6333 | 2010-07-30 | Yes |
| 815-682 | STOCKLAND | 1000 | — | Yes |
| 815-683 | CRESCENTCY | 9329 | — | Yes |
| 815-684 | CHADWICK | 1183 | — | — |
| 815-685 | JOLIET | 6534 | — | — |
| 815-686 | PIPER CITY | 1015 | — | Yes |
| 815-687 | WOODSTOCK | 8702 | — | Yes |
| 815-688 | STRAWN | 1015 | — | Yes |
| 815-689 | CULLOM | 1038 | — | — |
| 815-690 | JOLIET | 6529 | — | Yes |
| 815-691 | UTICA | 8702 | — | Yes |
| 815-692 | FAIRBURY | 1015 | — | Yes |
| 815-693 | JOLIET | 6529 | — | Yes |
| 815-694 | CLIFTON | 1015 | — | Yes |
| 815-695 | NEWARK | 9329 | — | Yes |
| 815-696 | ROSCOE | 443F | 2003-05-27 | — |
| 815-697 | CHEBANSE | 1015 | — | Yes |
| 815-698 | ASHKUM | 1015 | — | Yes |
| 815-699 | WYANET | 1015 | — | 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.