If available, see below for a list of known police frequencies for Coal Valley, Illinois. Or, navigate to another city or town within Henry County, to view the local police frequencies.
| Alpha | Andover | Annawan | Atkinson | |
| Bishop Hill | Cambridge | Cleveland | Coal Valley | |
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| Colona | Galva | Geneseo | Hooppole | |
| Kewanee | Orion | Woodhull | ||
Detect police activity and stay ticket-free in Coal Valley, Illinois with these police radar detectors.