If available, see below for a list of known police frequencies for Decker, Indiana. Or, navigate to another city or town within Knox County, to view the local police frequencies.
| Bicknell | Bruceville | Decker | Edwardsport | |
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| Monroe City | Oaktown | Sandborn | Vincennes | |
| Wheatland | ||||
Detect police activity and stay ticket-free in Decker, Indiana with these police radar detectors.