ILLINOIS CONSOLIDATED TEL. CO.
45 prefixes in 217 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 217-226 | ASSUMPTION | 1037 | — | Yes |
| 217-227 | FARMERSVL | 1037 | — | Yes |
| 217-229 | RAYMOND | 1037 | — | Yes |
| 217-234 | MATTOON | 1037 | — | — |
| 217-235 | MATTOON | 1037 | — | — |
| 217-237 | KINCAID | 1037 | — | Yes |
| 217-238 | MATTOON | 1037 | — | — |
| 217-258 | MATTOON | 1037 | — | — |
| 217-268 | ARCOLA | 1037 | — | Yes |
| 217-287 | TAYLORVL | 1037 | — | — |
| 217-324 | LITCHFIELD | 1037 | — | — |
| 217-325 | STONINGTON | 1037 | — | — |
| 217-342 | EFFINGHAM | 1037 | — | — |
| 217-345 | CHARLESTON | 1037 | — | — |
| 217-346 | OAKLAND | 1037 | — | — |
| 217-347 | EFFINGHAM | 1037 | — | — |
| 217-348 | CHARLESTON | 1037 | — | — |
| 217-349 | ASHMORE | 1037 | — | — |
| 217-459 | WINDSOR | 1037 | — | — |
| 217-526 | MORRISONVL | 1037 | — | — |
| 217-532 | HILLSBORO | 1037 | — | — |
| 217-533 | IRVING | 1037 | — | Yes |
| 217-540 | EFFINGHAM | 1037 | — | — |
| 217-543 | ARTHUR | 1037 | — | — |
| 217-562 | PANA | 1037 | — | — |
| 217-563 | NOKOMIS | 1037 | — | — |
| 217-567 | TOWER HILL | 1037 | — | — |
| 217-578 | ATWOOD | 1037 | — | — |
| 217-581 | CHARLESTON | 1037 | — | — |
| 217-594 | WITT | 1037 | — | — |
| 217-623 | EDINBURG | 1037 | — | — |
| 217-639 | CHARLESTON | 1037 | — | — |
| 217-644 | STRASBURG | 1037 | — | — |
| 217-676 | MT AUBURN | 1037 | — | — |
| 217-682 | STEWARDSON | 1037 | — | — |
| 217-692 | BLUE MOUND | 1037 | — | — |
| 217-738 | WESTERVELT | 1037 | — | — |
| 217-752 | GAYS | 1037 | — | — |
| 217-774 | SHELBYVL | 1037 | — | — |
| 217-783 | COWDEN | 1037 | — | — |
| 217-824 | TAYLORVL | 1037 | — | — |
| 217-844 | SIGEL | 1037 | — | — |
| 217-856 | HUMBOLDT | 1037 | — | — |
| 217-879 | OWANECO | 1037 | — | — |
| 217-951 | MATTOON | 1037 | 2024-12-13 | 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.