If available, see below for a list of known police frequencies for Pennington County in South Dakota. Or, navigate to your city or town to view your local city and/or police frequencies within Pennington County, South Dakota.
| Ashland Heights | Box Elder | Colonial Pine Hills | Green Valley | |
| Hill City | Johnson Siding | Keystone | New Underwood | |
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| Quinn | Rapid City | Rapid Valley | Wall | |
| Wasta | ||||
Detect police activity and stay ticket-free in Pennington County with these police radar detectors.