If available, see below for a list of known police frequencies for Fillmore, Illinois. Or, navigate to another city or town within Montgomery County, to view the local police frequencies.
| Butler | Coalton | Coffeen | Farmersville | |
| Fillmore | Harvel | Hillsboro | Irving | |
| Litchfield | Nokomis | Ohlman | Raymond | |
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| Schram City | Taylor Springs | Waggoner | Walshville | |
| Wenonah | Witt | |||
Detect police activity and stay ticket-free in Fillmore, Illinois with these police radar detectors.