If available, see below for a list of known police frequencies for Prairie du Rocher, Illinois. Or, navigate to another city or town within Randolph County, to view the local police frequencies.
| Baldwin | Chester | Coulterville | Ellis Grove | |
| Evansville | Kaskaskia | Percy | Prairie du Rocher | |
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| Red Bud | Rockwood | Ruma | Sparta | |
| Steeleville | Tilden | |||
Detect police activity and stay ticket-free in Prairie du Rocher, Illinois with these police radar detectors.