If available, see below for a list of known police frequencies for Hillsboro, North Dakota. Or, navigate to another city or town within Traill County, to view the local police frequencies.
| Blanchard | Buxton | Caledonia | Clifford | |
| Galesburg | Hatton | Hillsboro | Mayville | |
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| Portland | Reynolds | |||
Detect police activity and stay ticket-free in Hillsboro, North Dakota with these police radar detectors.