If available, see below for a list of known police frequencies for North Liberty, Iowa. Or, navigate to another city or town within Johnson County, to view the local police frequencies.
| Coralville | Hills | Iowa City | Lone Tree | |
| North Liberty | Oxford | Shueyville | Solon | |
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| Swisher | Tiffin | University Heights | ||
Detect police activity and stay ticket-free in North Liberty, Iowa with these police radar detectors.