If available, see below for a list of known police frequencies for Sussex County in New Jersey. Or, navigate to your city or town to view your local city and/or police frequencies within Sussex County, New Jersey.
| Andover | Branchville | Franklin | Hamburg | |
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| Hopatcong | Newton | Ogdensburg | Stanhope | |
| Sussex | ||||
Detect police activity and stay ticket-free in Sussex County with these police radar detectors.