If available, see below for a list of known police frequencies for Grinnell, Iowa. Or, navigate to another city or town within Poweshiek County, to view the local police frequencies.
| Frequency | Description | Agency | |
|---|---|---|---|
| 154.085 | Grinnell Police - Alternate | Grinnell Police | |
| 155.52 | Grinnell Police - Alternate | Grinnell Police | |
| 155.91 | Grinnell Police - Alternate | Grinnell Police | |
| 151.1825 | Grinnell Police - Dispatch | Grinnell Police |
Detect police activity and stay ticket-free in Grinnell, Iowa with these police radar detectors.