ILLINOIS BELL TEL CO
111 prefixes in 618 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 618-220 | BELLEVILLE | 9329 | 2007-01-30 | Yes |
| 618-222 | BELLEVILLE | 9329 | — | — |
| 618-224 | TRENTON | 9329 | — | Yes |
| 618-225 | GRANITE CY | 9329 | — | Yes |
| 618-227 | BECKEMEYER | 9329 | — | Yes |
| 618-228 | AVISTON | 9329 | — | Yes |
| 618-229 | BELLEVILLE | 9329 | — | — |
| 618-233 | BELLEVILLE | 9329 | — | — |
| 618-234 | BELLEVILLE | 9329 | — | — |
| 618-235 | BELLEVILLE | 9329 | — | — |
| 618-236 | BELLEVILLE | 9329 | — | — |
| 618-239 | BELLEVILLE | 9329 | — | Yes |
| 618-241 | MT VERNON | 9329 | — | Yes |
| 618-242 | MT VERNON | 9329 | — | — |
| 618-244 | MT VERNON | 9329 | — | — |
| 618-246 | MT VERNON | 9329 | — | Yes |
| 618-251 | WOOD RIVER | 9329 | — | Yes |
| 618-254 | WOOD RIVER | 9329 | — | — |
| 618-255 | WOOD RIVER | 9329 | — | Yes |
| 618-256 | BELLEVILLE | 9329 | — | — |
| 618-257 | BELLEVILLE | 9329 | — | — |
| 618-258 | WOOD RIVER | 9329 | — | — |
| 618-259 | WOOD RIVER | 9329 | — | — |
| 618-261 | E ST LOUIS | 9329 | — | — |
| 618-266 | DIX | 9329 | — | Yes |
| 618-271 | E ST LOUIS | 9329 | — | — |
| 618-274 | E ST LOUIS | 9329 | — | — |
| 618-277 | BELLEVILLE | 9329 | — | — |
| 618-283 | VANDALIA | 9329 | — | Yes |
| 618-288 | GLENCARBON | 9329 | — | — |
| 618-293 | EDGEMONT | 9329 | — | Yes |
| 618-296 | EDWARDSVL | 9329 | — | — |
| 618-323 | IUKA | 9329 | — | Yes |
| 618-327 | NASHVILLE | 9329 | — | Yes |
| 618-332 | E ST LOUIS | 9329 | — | Yes |
| 618-337 | E ST LOUIS | 9329 | — | — |
| 618-343 | COLLINSVL | 9329 | — | Yes |
| 618-344 | COLLINSVL | 9329 | — | — |
| 618-345 | COLLINSVL | 9329 | — | — |
| 618-346 | COLLINSVL | 9329 | — | Yes |
| 618-355 | BELLEVILLE | 9329 | — | — |
| 618-360 | HARMONY | 9329 | 2002-02-04 | Yes |
| 618-372 | BRIGHTON | 9329 | — | Yes |
| 618-374 | ALTON | 9329 | — | Yes |
| 618-377 | BETHALTO | 9329 | — | — |
| 618-391 | GLENCARBON | 9329 | 2007-01-30 | Yes |
| 618-394 | EDGEMONT | 9329 | — | — |
| 618-397 | EDGEMONT | 9329 | — | — |
| 618-398 | EDGEMONT | 9329 | — | — |
| 618-399 | EDGEMONT | 9329 | — | — |
| 618-433 | ALTON | 9329 | — | Yes |
| 618-436 | CENTRALIA | 9329 | — | Yes |
| 618-451 | GRANITE CY | 9329 | — | — |
| 618-452 | GRANITE CY | 9329 | — | — |
| 618-462 | ALTON | 9329 | — | — |
| 618-463 | ALTON | 9329 | — | — |
| 618-465 | ALTON | 9329 | — | — |
| 618-466 | ALTON | 9329 | — | — |
| 618-467 | ALTON | 9329 | — | Yes |
| 618-468 | ALTON | 9329 | — | Yes |
| 618-474 | ALTON | 9329 | — | Yes |
| 618-475 | NEW ATHENS | 9329 | — | Yes |
| 618-482 | E ST LOUIS | 9329 | — | — |
| 618-489 | EDGEMONT | 9329 | — | Yes |
| 618-512 | GRANITE CY | 9329 | — | Yes |
| 618-523 | GERMANTOWN | 9329 | — | Yes |
| 618-526 | BREESE | 9329 | — | Yes |
| 618-532 | CENTRALIA | 9329 | — | — |
| 618-533 | CENTRALIA | 9329 | — | — |
| 618-537 | LEBANON | 9329 | — | Yes |
| 618-539 | FREEBURG | 9329 | — | Yes |
| 618-545 | CENTRALIA | 9329 | — | Yes |
| 618-547 | KINMUNDY | 9329 | — | Yes |
| 618-548 | SALEM | 9329 | — | — |
| 618-583 | E ST LOUIS | 9329 | — | — |
| 618-594 | CARLYLE | 9329 | — | Yes |
| 618-622 | O FALLON | 9329 | — | Yes |
| 618-624 | O FALLON | 9329 | — | — |
| 618-628 | O FALLON | 9329 | — | — |
| 618-632 | O FALLON | 9329 | — | — |
| 618-641 | BELLEVILLE | 9329 | — | Yes |
| 618-646 | E ST LOUIS | 9329 | — | Yes |
| 618-650 | EDWARDSVL | 9329 | — | Yes |
| 618-655 | EDWARDSVL | 9329 | — | Yes |
| 618-656 | EDWARDSVL | 9329 | — | — |
| 618-659 | EDWARDSVL | 9329 | — | Yes |
| 618-664 | GREENVILLE | 9329 | — | Yes |
| 618-667 | TROY | 9329 | — | — |
| 618-690 | GREENVILLE | 9329 | 2001-12-06 | Yes |
| 618-692 | EDWARDSVL | 9329 | — | Yes |
| 618-732 | BLUFORD | 9329 | — | Yes |
| 618-734 | CAIRO | 9329 | — | Yes |
| 618-742 | MOUND CITY | 9329 | — | Yes |
| 618-744 | BELLEVILLE | 9329 | — | Yes |
| 618-745 | MOUNDS | 9329 | — | Yes |
| 618-746 | BELLEVILLE | 9329 | — | Yes |
| 618-747 | TAMMS | 9329 | — | Yes |
| 618-748 | MOUND CITY | 9329 | — | Yes |
| 618-755 | HARMONY | 9329 | — | Yes |
| 618-764 | THEBES | 9329 | — | 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.