If available, see below for a list of known police frequencies for Gilliam County in Oregon. Or, navigate to your city or town to view your local city and/or police frequencies within Gilliam County, Oregon.
| Arlington | Blalock | Clem | Condon | |
| Lonerock | Mayville | Mikkalo | Olex | |
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| Rock Creek | Thirtymile | |||