If available, see below for a list of known police frequencies for Union City, New Jersey. Or, navigate to another city or town within Hudson County, to view the local police frequencies.
| Bayonne | East Newark | Guttenberg | Harrison | |
| Hoboken | Jersey City | Kearny | Secaucus | |
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| Union City | West New York | |||
Detect police activity and stay ticket-free in Union City, New Jersey with these police radar detectors.