If available, see below for a list of known police frequencies for Cotter, Iowa. Or, navigate to another city or town within Louisa County, to view the local police frequencies.
| Columbus City | Columbus Junction | Cotter | Fredonia | |
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| Grandview | Letts | Morning Sun | Oakville | |
| Wapello | ||||
Detect police activity and stay ticket-free in Cotter, Iowa with these police radar detectors.