If available, see below for a list of known police frequencies for Petersburg, Michigan. Or, navigate to another city or town within Monroe County, to view the local police frequencies.
| Azalia | Carleton | Dundee | Erie | |
| Estral Beach | Ida | La Salle | Lambertville | |
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| Luna Pier | Maybee | Monroe | Newport | |
| Ottawa Lake | Petersburg | Samaria | South Rockwood | |
| Temperance | ||||
Detect police activity and stay ticket-free in Petersburg, Michigan with these police radar detectors.