If available, see below for a list of known police frequencies for Greenville, Pennsylvania. Or, navigate to another city or town within Mercer County, to view the local police frequencies.
| Clark | Farrell | Fredonia | Greenville | |
| Grove City | Hermitage | Jackson Center | Jamestown | |
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| Mercer | New Lebanon | Sandy Lake | Sharon | |
| Sharpsville | Sheakleyville | Stoneboro | West Middlesex | |
| Wheatland | ||||
Detect police activity and stay ticket-free in Greenville, Pennsylvania with these police radar detectors.