If available, see below for a list of known police frequencies for Port Huron, Michigan. Or, navigate to another city or town within St Clair County, to view the local police frequencies.
| Algonac | Allenton | Anchorville | Avoca | |
| Capac | Casco | East China | Emmett | |
| Fair Haven | Fort Gratiot | Goodells | Harsens Island | |
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| Jeddo | Marine City | Marysville | North Street | |
| Port Huron | Saint Clair | Smiths Creek | Yale | |
Detect police activity and stay ticket-free in Port Huron, Michigan with these police radar detectors.