If available, see below for a list of known police frequencies for Duncannon, Pennsylvania. Or, navigate to another city or town within Perry County, to view the local police frequencies.
| Blain | Bloomfield | Duncannon | Landisburg | |
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| Liverpool | Marysville | Millerstown | New Buffalo | |
| Newport | ||||
Detect police activity and stay ticket-free in Duncannon, Pennsylvania with these police radar detectors.