TELEPORT COMMUNICATIONS AMERICA, LLC - IL
19 prefixes in 224 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 224-231 | ROSELLE | 7136 | 2012-09-06 | Yes |
| 224-264 | DESPLAINES | 7136 | 2017-07-21 | Yes |
| 224-266 | ELK GROVE | 7136 | 2017-10-23 | Yes |
| 224-271 | LAKEFOREST | 7136 | 2016-09-27 | Yes |
| 224-273 | ARLIGTNHTS | 7136 | 2017-11-14 | Yes |
| 224-274 | HALF DAY | 7136 | 2017-12-08 | Yes |
| 224-299 | ELK GROVE | 7136 | 2019-04-15 | Yes |
| 224-317 | LAKEFOREST | 7136 | 2019-10-10 | Yes |
| 224-327 | MUNDELEIN | 7136 | 2020-04-27 | Yes |
| 224-332 | LAKEFOREST | 7136 | 2020-05-06 | Yes |
| 224-438 | LAKEZURICH | 7136 | 2021-10-25 | Yes |
| 224-439 | WAUKEGAN | 7136 | 2021-11-17 | Yes |
| 224-476 | DESPLAINES | 7136 | 2022-08-09 | Yes |
| 224-510 | WHEELING | 7136 | 2015-01-20 | Yes |
| 224-539 | PALATINE | 7136 | 2016-05-02 | Yes |
| 224-554 | DEERFIELD | 7136 | 2006-05-19 | Yes |
| 224-564 | ELK GROVE | 7136 | 2023-06-29 | Yes |
| 224-724 | SKOKIE | 7136 | 2016-04-20 | Yes |
| 224-998 | SKOKIE | 7136 | 2015-12-09 | 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.