All assignees
800 prefixes in 815 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 815-700 | — | — | ||
| 815-701 | WOODSTOCK | 6115 | 2002-04-02 | Yes |
| 815-702 | SAUNEMIN | 508J | — | Yes |
| 815-703 | ROCKFORD | 6529 | 2002-06-04 | Yes |
| 815-704 | SO BELOIT | 829J | 2001-02-23 | Yes |
| 815-705 | MORRIS | 7136 | 2001-12-28 | Yes |
| 815-706 | ROCKFORD | 114J | 2019-09-03 | Yes |
| 815-707 | GILMAN | 6115 | 2001-12-06 | Yes |
| 815-708 | ROCKFORD | 318J | 2006-06-23 | Yes |
| 815-709 | COAL CITY | 6115 | 2001-12-28 | Yes |
| 815-710 | MORRIS | 7136 | 2001-01-24 | Yes |
| 815-711 | XXXXXXXXXX | MULT | — | — |
| 815-712 | LA SALLE | 6529 | 2002-07-05 | Yes |
| 815-713 | ROCKFORD | 6534 | 2001-09-28 | Yes |
| 815-714 | JOLIET | 984E | — | Yes |
| 815-715 | JOLIET | 6534 | 2001-05-22 | — |
| 815-716 | STERLING | 5562 | 2001-10-31 | Yes |
| 815-717 | NEW LENOX | 460K | — | Yes |
| 815-718 | STERLING | 6265 | 2002-10-22 | Yes |
| 815-719 | PRINCETON | 5562 | 2002-07-05 | Yes |
| 815-720 | ROCKFORD | 9329 | — | — |
| 815-721 | ROCKFORD | 7136 | — | Yes |
| 815-722 | JOLIET | 9329 | — | — |
| 815-723 | JOLIET | 9329 | — | — |
| 815-724 | JOLIET | 9329 | — | — |
| 815-725 | JOLIET | 9329 | — | — |
| 815-726 | JOLIET | 9329 | — | — |
| 815-727 | JOLIET | 9329 | — | — |
| 815-728 | WONDERLAKE | 1015 | — | Yes |
| 815-729 | JOLIET | 9329 | — | — |
| 815-730 | JOLIET | 9329 | — | — |
| 815-731 | PLAINFIELD | 9329 | 2006-02-16 | Yes |
| 815-732 | OREGON | 1036 | — | Yes |
| 815-733 | PLAINFIELD | 8702 | — | Yes |
| 815-734 | MT MORRIS | 1036 | — | Yes |
| 815-735 | JOLIET | 6534 | — | — |
| 815-736 | LISBON | 9329 | — | Yes |
| 815-737 | SO SHARON | 1080 | — | — |
| 815-738 | LEAF RIVER | 1045 | — | — |
| 815-739 | SYCAMORE | 5562 | — | Yes |
| 815-740 | JOLIET | 9329 | — | — |
| 815-741 | JOLIET | 9329 | — | — |
| 815-742 | ROCKFORD | 6265 | — | Yes |
| 815-743 | GRAYMONT | 1073 | — | Yes |
| 815-744 | JOLIET | 9329 | — | — |
| 815-745 | WARREN | 1036 | — | Yes |
| 815-746 | MARSEILLES | 1050 | 2008-05-13 | — |
| 815-747 | E DUBUQUE | 1183 | — | — |
| 815-748 | DE KALB | 1036 | — | — |
| 815-749 | LOCKPORT | 984E | 2022-08-19 | Yes |
| 815-750 | MARSEILLES | 4837 | 2003-01-23 | — |
| 815-751 | DE KALB | 6333 | — | — |
| 815-752 | DE KALB | 1036 | — | — |
| 815-753 | DE KALB | 1036 | — | — |
| 815-754 | DE KALB | 1036 | — | — |
| 815-755 | SENECA | 224C | 2016-01-08 | Yes |
| 815-756 | DE KALB | 1036 | — | Yes |
| 815-757 | DE KALB | 6265 | — | Yes |
| 815-758 | DE KALB | 1036 | — | — |
| 815-759 | MCHENRY | 9329 | — | — |
| 815-760 | BUREAU | 6333 | 2005-10-25 | Yes |
| 815-761 | DE KALB | 6333 | — | — |
| 815-762 | DE KALB | 6333 | — | — |
| 815-763 | JOLIET | 6333 | 2022-10-11 | Yes |
| 815-764 | DE KALB | 6265 | — | Yes |
| 815-765 | POPLAR GRV | 1015 | — | Yes |
| 815-766 | DE KALB | 6265 | — | Yes |
| 815-767 | LA GRANGE | 9748 | 2001-04-16 | — |
| 815-768 | JOLIET | 9329 | — | Yes |
| 815-769 | SENECA | 6115 | 2001-04-27 | Yes |
| 815-770 | HARVARD | 792K | 2006-02-13 | Yes |
| 815-771 | ASHKUM | 8702 | — | Yes |
| 815-772 | MORRISON | 1183 | — | — |
| 815-773 | JOLIET | 9329 | — | — |
| 815-774 | JOLIET | 9329 | — | — |
| 815-775 | WOODSTOCK | 6630 | — | — |
| 815-776 | GALENA | 9329 | — | Yes |
| 815-777 | GALENA | 9329 | — | — |
| 815-778 | LYNDON | 1183 | — | — |
| 815-779 | PLAINFIELD | 6529 | 2024-02-08 | Yes |
| 815-780 | LA SALLE | 6115 | 2001-08-22 | Yes |
| 815-781 | CHEBANSE | 8702 | — | Yes |
| 815-782 | PLAINFIELD | 6115 | — | Yes |
| 815-783 | GILMAN | 8702 | — | Yes |
| 815-784 | GENOA | 1036 | — | Yes |
| 815-785 | WATSEKA | 8702 | — | Yes |
| 815-786 | SANDWICH | 1015 | — | Yes |
| 815-787 | DE KALB | 1036 | — | — |
| 815-788 | CRYSTAL LK | 9329 | 2001-03-22 | Yes |
| 815-789 | ORANGEVL | 1036 | — | Yes |
| 815-790 | WOODSTOCK | 6529 | — | Yes |
| 815-791 | JOLIET | 6529 | 2001-07-24 | Yes |
| 815-792 | HARDING | 9329 | — | Yes |
| 815-793 | DE KALB | 6529 | 2001-06-25 | Yes |
| 815-794 | MARSEILLES | 1050 | — | Yes |
| 815-795 | MARSEILLES | 1050 | — | Yes |
| 815-796 | FLANAGAN | 1073 | — | Yes |
| 815-797 | SOMONAUK | 6115 | 2001-12-06 | Yes |
| 815-798 | MILLEDGEVL | 443F | — | — |
| 815-799 | MANLIUS | 6115 | 2001-08-22 | 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.