If available, see below for a list of known police frequencies for Caledonia, Illinois. Or, navigate to another city or town within Boone County, to view the local police frequencies.
| Belvidere | Caledonia | Capron | Loves Park | |
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| Poplar Grove | Timberlane | |||
Detect police activity and stay ticket-free in Caledonia, Illinois with these police radar detectors.