If available, see below for a list of known police frequencies for Granite Falls, Washington. Or, navigate to another city or town within Snohomish County, to view the local police frequencies.
| Arlington | Bothell | Brier | Darrington | |
| Edmonds | Everett | Gold Bar | Granite Falls | |
| Index | Lake Stevens | Lynnwood | Marysville | |
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| Mill Creek | Monroe | Mountlake Terrace | Mukilteo | |
| Snohomish | Stanwood | Sultan | Woodway | |
Detect police activity and stay ticket-free in Granite Falls, Washington with these police radar detectors.