All assignees
609 prefixes in 224 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 224-200 | ARLIGTNHTS | 6534 | 2008-11-05 | Yes |
| 224-201 | ARLIGTNHTS | 6534 | 2008-11-05 | Yes |
| 224-202 | ARLIGTNHTS | 6534 | 2008-11-05 | Yes |
| 224-203 | NORTHBROOK | 6333 | 2011-09-17 | Yes |
| 224-204 | EVANSTON | 224C | 2015-12-21 | Yes |
| 224-205 | NORTHBROOK | 6333 | 2011-11-03 | Yes |
| 224-206 | LIBERTYVL | 224C | — | Yes |
| 224-207 | LIBERTYVL | 460K | 2004-05-24 | Yes |
| 224-208 | BARTLETT | 224C | 2003-10-17 | Yes |
| 224-209 | ALGONQUIN | 6534 | 2011-11-15 | Yes |
| 224-210 | ARLIGTNHTS | 6529 | 2004-11-22 | Yes |
| 224-211 | XXXXXXXXXX | MULT | — | — |
| 224-212 | LAKEFOREST | 9329 | 2003-11-12 | Yes |
| 224-213 | NORTHBROOK | 6333 | 2005-10-31 | Yes |
| 224-214 | WAUKEGAN | 6534 | 2011-12-19 | Yes |
| 224-215 | WILMETTE | 6115 | 2012-04-20 | Yes |
| 224-216 | WINNETKA | 6534 | 2009-01-15 | Yes |
| 224-217 | DESPLAINES | 6333 | 2004-09-24 | Yes |
| 224-218 | HAMPSHIRE | 516C | 2004-11-01 | Yes |
| 224-219 | WAUKEGAN | 224C | 2015-12-10 | Yes |
| 224-220 | DESPLAINES | 6529 | 2004-11-24 | Yes |
| 224-221 | NORTHBROOK | 6534 | 2008-10-15 | Yes |
| 224-222 | ELK GROVE | 7196 | 2006-04-27 | Yes |
| 224-223 | NORTHBROOK | 6534 | 2008-10-15 | Yes |
| 224-224 | DESPLAINES | 6529 | 2024-07-31 | Yes |
| 224-225 | FOX LAKE | 516C | 2006-06-19 | Yes |
| 224-226 | NORTHBROOK | 6529 | 2011-09-08 | Yes |
| 224-227 | ELGIN | 6333 | 2011-05-02 | Yes |
| 224-228 | BARRINGTON | 224C | 2012-09-28 | Yes |
| 224-229 | DESPLAINES | 6333 | 2011-09-21 | Yes |
| 224-230 | ELGIN | 6333 | 2011-05-25 | Yes |
| 224-231 | ROSELLE | 7136 | 2012-09-06 | Yes |
| 224-232 | ARLIGTNHTS | 9329 | 2002-08-28 | Yes |
| 224-233 | SKOKIE | 460K | 2006-03-29 | Yes |
| 224-234 | NORTHBROOK | 6333 | 2005-10-31 | Yes |
| 224-235 | NORTHBROOK | 6529 | 2011-07-11 | Yes |
| 224-236 | BARTLETT | 984E | 2011-07-11 | Yes |
| 224-237 | WAUKEGAN | 6529 | 2011-07-18 | Yes |
| 224-238 | ELGIN | 6333 | 2004-06-04 | Yes |
| 224-239 | ELGIN | 6333 | 2010-10-13 | Yes |
| 224-240 | DESPLAINES | 6333 | 2013-02-19 | Yes |
| 224-241 | ALGONQUIN | 6534 | 2010-01-13 | Yes |
| 224-242 | ELGIN | 6333 | 2011-07-19 | Yes |
| 224-243 | FOX LAKE | 6534 | 2009-11-06 | Yes |
| 224-244 | DESPLAINES | 6333 | 2010-05-18 | Yes |
| 224-245 | ARLIGTNHTS | 6529 | 2011-07-21 | Yes |
| 224-246 | NORTHBROOK | 6333 | 2011-08-11 | Yes |
| 224-247 | ARLIGTNHTS | 6529 | 2013-04-18 | Yes |
| 224-248 | ARLIGTNHTS | 6529 | 2013-06-21 | Yes |
| 224-249 | ALGONQUIN | 224C | 2013-08-02 | Yes |
| 224-250 | DESPLAINES | 6333 | 2011-08-11 | Yes |
| 224-251 | SKOKIE | 9329 | 2012-04-27 | Yes |
| 224-252 | GRAYSLAKE | 984E | 2013-06-25 | Yes |
| 224-253 | ALGONQUIN | 6529 | 2013-06-25 | Yes |
| 224-254 | DESPLAINES | 6333 | 2011-09-13 | Yes |
| 224-255 | WINNETKA | 6534 | 2011-07-22 | Yes |
| 224-256 | ALGONQUIN | 6529 | 2012-08-10 | Yes |
| 224-257 | DESPLAINES | 224C | 2014-03-28 | Yes |
| 224-258 | ARLIGTNHTS | 6529 | 2015-06-26 | Yes |
| 224-259 | ANTIOCH | 224C | 2016-02-17 | Yes |
| 224-260 | GLENVIEW | 6529 | 2005-11-21 | Yes |
| 224-261 | NORTHBROOK | 6529 | 2011-09-08 | Yes |
| 224-262 | DESPLAINES | 224C | 2023-06-26 | Yes |
| 224-263 | HUNTLEY | 224C | 2016-03-08 | Yes |
| 224-264 | DESPLAINES | 7136 | 2017-07-21 | Yes |
| 224-265 | ELK GROVE | 460K | 2004-06-17 | Yes |
| 224-266 | ELK GROVE | 7136 | 2017-10-23 | Yes |
| 224-267 | ANTIOCH | 6115 | 2004-12-16 | Yes |
| 224-268 | ELGIN | 5562 | 2014-07-01 | Yes |
| 224-269 | GLENCOE | 984E | 2015-02-13 | Yes |
| 224-270 | ROUND LAKE | 7196 | 2001-11-28 | — |
| 224-271 | LAKEFOREST | 7136 | 2016-09-27 | Yes |
| 224-272 | ZION | 516J | — | Yes |
| 224-273 | ARLIGTNHTS | 7136 | 2017-11-14 | Yes |
| 224-274 | HALF DAY | 7136 | 2017-12-08 | Yes |
| 224-275 | DESPLAINES | 6333 | 2017-12-11 | Yes |
| 224-276 | ELGIN | 6529 | 2010-10-04 | Yes |
| 224-277 | NORTHBROOK | 6333 | 2010-09-02 | Yes |
| 224-278 | ROSELLE | 7229 | 2016-09-30 | Yes |
| 224-279 | WHEELING | 6534 | 2010-08-04 | Yes |
| 224-280 | WAUKEGAN | 6529 | 2002-10-17 | Yes |
| 224-281 | ELGIN | 6529 | 2013-10-16 | Yes |
| 224-282 | NORTHBROOK | 460K | — | Yes |
| 224-283 | DESPLAINES | 6333 | 2018-01-31 | Yes |
| 224-284 | DEERFIELD | 6529 | 2018-01-31 | Yes |
| 224-285 | DEERFIELD | 6534 | 2019-03-18 | Yes |
| 224-286 | LAKEZURICH | 6115 | 2005-09-01 | Yes |
| 224-287 | NORTHBROOK | 6333 | 2016-11-21 | Yes |
| 224-288 | BARRINGTON | 6534 | 2018-02-27 | Yes |
| 224-289 | DESPLAINES | 5562 | 2018-04-06 | Yes |
| 224-290 | ELGIN | 224C | — | Yes |
| 224-291 | ELGIN | 6333 | 2018-04-16 | Yes |
| 224-292 | MUNDELEIN | 6534 | 2018-07-23 | Yes |
| 224-293 | DUNDEE | 9329 | 2002-09-19 | Yes |
| 224-294 | LIBERTYVL | 6529 | 2018-10-19 | Yes |
| 224-295 | PALATINE | 6529 | 2018-10-22 | Yes |
| 224-296 | EVANSTON | 224C | 2018-12-05 | Yes |
| 224-297 | DESPLAINES | 6333 | 2018-10-23 | Yes |
| 224-298 | GRAYSLAKE | 224C | 2018-12-05 | Yes |
| 224-299 | ELK GROVE | 7136 | 2019-04-15 | 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.