Illinois Scanner Frequencies
DuPage County
| Frequency | CallSign | DBA/Licensee | City |
| 31.4000 | WPYB471 | MCDONALD'S RESTAURANT OF ILLIN | DARIEN |
| 31.4000 | WPYB521 | MCDONALD'S RESTAURANT OF ILLIN | WHEATON |
| 31.7800 | KNED362 | FOREST PRESERVE DISTRICT OF DU | DOWNERS GROVE |
| 31.7800 | KNED362 | FOREST PRESERVE DISTRICT OF DU | GLEN ELLYN |
| 31.7800 | KNED362 | FOREST PRESERVE DISTRICT OF DU | LOMBARD |
| 31.7800 | KNED362 | FOREST PRESERVE DISTRICT OF DU | WEST CHICAGO |
| 31.8200 | KNED362 | FOREST PRESERVE DISTRICT OF DU | DOWNERS GROVE |
| 31.8200 | KNED362 | FOREST PRESERVE DISTRICT OF DU | GLEN ELLYN |
| 31.8200 | KNED362 | FOREST PRESERVE DISTRICT OF DU | LOMBARD |
| 31.8200 | KNED362 | FOREST PRESERVE DISTRICT OF DU | WEST CHICAGO |
| 31.8600 | KNED362 | FOREST PRESERVE DISTRICT OF DU | DOWNERS GROVE |
| 31.8600 | KNED362 | FOREST PRESERVE DISTRICT OF DU | GLEN ELLYN |
| 31.8600 | KNED362 | FOREST PRESERVE DISTRICT OF DU | LOMBARD |
| 31.8600 | KNED362 | FOREST PRESERVE DISTRICT OF DU | WEST CHICAGO |
| 33.1400 | WPYA287 | MCDONALD'S RESTAURANT OF ILLIN | OAK BROOK |