All assignees
800 prefixes in 815 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 815-200 | LA SALLE | 829J | 2006-06-20 | Yes |
| 815-201 | SHERIDAN | 984E | 2012-08-15 | Yes |
| 815-202 | OGLESBY | 6534 | 2008-04-08 | Yes |
| 815-203 | JOLIET | 6630 | — | — |
| 815-204 | CRYSTAL LK | 6630 | — | — |
| 815-205 | COAL CITY | 508J | 2014-01-31 | Yes |
| 815-206 | WOODSTOCK | 9329 | — | Yes |
| 815-207 | JOLIET | 7136 | — | Yes |
| 815-208 | FULTON | 846F | — | Yes |
| 815-209 | ROCKFORD | 6115 | 2002-02-04 | Yes |
| 815-210 | JOLIET | 6534 | — | — |
| 815-211 | XXXXXXXXXX | MULT | — | — |
| 815-212 | JOLIET | 6529 | — | Yes |
| 815-213 | STERLING | 6265 | 2004-09-29 | Yes |
| 815-214 | KANKAKEE | 8702 | — | Yes |
| 815-215 | NEW LENOX | 460K | 2002-02-04 | Yes |
| 815-216 | KANKAKEE | 6333 | — | Yes |
| 815-217 | DE KALB | 972C | — | Yes |
| 815-218 | ROCKFORD | 6333 | — | — |
| 815-219 | CRYSTAL LK | 5562 | 2006-06-06 | Yes |
| 815-220 | LA SALLE | 9329 | — | Yes |
| 815-221 | LOCKPORT | 7136 | — | Yes |
| 815-222 | ROCKFORD | 6333 | — | — |
| 815-223 | LA SALLE | 9329 | — | — |
| 815-224 | LA SALLE | 9329 | — | — |
| 815-225 | MILLEDGEVL | 1183 | — | — |
| 815-226 | ROCKFORD | 9329 | — | — |
| 815-227 | ROCKFORD | 9329 | — | Yes |
| 815-228 | OGLESBY | 6534 | — | — |
| 815-229 | ROCKFORD | 9329 | — | — |
| 815-230 | PLAINFIELD | 6115 | — | Yes |
| 815-231 | ROCKFORD | 9329 | — | Yes |
| 815-232 | FREEPORT | 1036 | — | — |
| 815-233 | FREEPORT | 1036 | — | — |
| 815-234 | BYRON | 1015 | — | Yes |
| 815-235 | FREEPORT | 1036 | — | — |
| 815-236 | WOODSTOCK | 6534 | — | — |
| 815-237 | GARDNER | 9329 | — | Yes |
| 815-238 | FREEPORT | 6333 | — | — |
| 815-239 | PECATONICA | 1036 | — | Yes |
| 815-240 | ROCK CUT | 792K | 2010-10-18 | Yes |
| 815-241 | NORTHBROOK | 9748 | — | — |
| 815-242 | MINOOKA | 984E | 2014-05-02 | Yes |
| 815-243 | ROCKFORD | 6265 | — | Yes |
| 815-244 | MT CARROLL | 1057 | — | — |
| 815-245 | WOODSTOCK | 6534 | — | — |
| 815-246 | EARLVILLE | 1015 | — | Yes |
| 815-247 | SEWARD | 1036 | — | Yes |
| 815-248 | DURAND | 1036 | — | Yes |
| 815-249 | GRANDRIDGE | 1015 | — | Yes |
| 815-250 | LA SALLE | 318J | 2006-08-25 | Yes |
| 815-251 | NELSON | 1057 | — | Yes |
| 815-252 | OGLESBY | 6534 | — | — |
| 815-253 | KEMPTON | 1038 | — | Yes |
| 815-254 | PLAINFIELD | 9329 | — | — |
| 815-255 | MINOOKA | 829J | 2009-11-03 | Yes |
| 815-256 | STELLE | 1092 | — | — |
| 815-257 | STREATOR | 6333 | — | — |
| 815-258 | JOLIET | 6534 | — | — |
| 815-259 | THOMSON | 1057 | — | — |
| 815-260 | JOLIET | 6529 | — | Yes |
| 815-261 | CRYSTAL LK | 7196 | — | Yes |
| 815-262 | ROCKFORD | 6333 | — | — |
| 815-263 | KANKAKEE | 6333 | — | — |
| 815-264 | WATERMAN | 1036 | — | Yes |
| 815-265 | GILMAN | 9329 | — | Yes |
| 815-266 | FREEPORT | 1036 | — | Yes |
| 815-267 | PLAINFIELD | 7196 | — | Yes |
| 815-268 | ONARGA | 9329 | — | Yes |
| 815-269 | DANFORTH | 1000 | — | Yes |
| 815-270 | ROSCOE | 792K | 2007-04-24 | Yes |
| 815-271 | MCHENRY | 7196 | — | Yes |
| 815-272 | JOLIET | 7196 | — | Yes |
| 815-273 | SAVANNA | 1057 | — | — |
| 815-274 | JOLIET | 6534 | — | — |
| 815-275 | FREEPORT | 6333 | — | — |
| 815-276 | CRYSTAL LK | 7136 | — | Yes |
| 815-277 | FRANKFORT | 7136 | — | Yes |
| 815-278 | KANKAKEE | 6333 | — | Yes |
| 815-279 | KANKAKEE | 9748 | — | — |
| 815-280 | JOLIET | 7136 | — | Yes |
| 815-281 | GALENA | 6265 | 2004-06-15 | Yes |
| 815-282 | ROCKFORD | 9329 | — | — |
| 815-283 | WATERMAN | 846F | 2010-03-05 | Yes |
| 815-284 | DIXON | 1057 | — | — |
| 815-285 | DIXON | 1057 | — | — |
| 815-286 | HINCKLEY | 1036 | — | Yes |
| 815-287 | VERONA | 9329 | — | Yes |
| 815-288 | DIXON | 1057 | — | — |
| 815-289 | ROCKFORD | 6265 | — | Yes |
| 815-290 | MINOOKA | 516C | 2006-02-10 | Yes |
| 815-291 | FREEPORT | 6265 | — | Yes |
| 815-292 | SO BERGEN | 0980 | — | — |
| 815-293 | LOCKPORT | 9329 | — | Yes |
| 815-294 | LA GRANGE | 6630 | — | — |
| 815-295 | KANKAKEE | 6529 | — | Yes |
| 815-296 | ROCKFORD | 073H | 2019-11-20 | Yes |
| 815-297 | FREEPORT | 1036 | — | Yes |
| 815-298 | ROCKFORD | 6333 | — | — |
| 815-299 | ROCKFORD | 6265 | — | 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.