If available, see below for a list of known police frequencies for Cambria, Illinois. Or, navigate to another city or town within Williamson County, to view the local police frequencies.
| Bush | Cambria | Carterville | Colp | |
| Crainville | Creal Springs | Energy | Freeman Spur | |
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| Herrin | Hurst | Johnston City | Marion | |
| Pittsburg | Spillertown | Whiteash | ||
Detect police activity and stay ticket-free in Cambria, Illinois with these police radar detectors.