If available, see below for a list of known police frequencies for Royal City, Washington. Or, navigate to another city or town within Grant County, to view the local police frequencies.
| Coulee City | Coulee Dam | Electric City | Ephrata | |
| George | Grand Coulee | Hartline | Krupp | |
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| Mattawa | Moses Lake | Quincy | Royal City | |
| Soap Lake | Warden | Wilson Creek | ||
Detect police activity and stay ticket-free in Royal City, Washington with these police radar detectors.