If available, see below for a list of known police frequencies for Middlesex County in Connecticut. Or, navigate to your city or town to view your local city and/or police frequencies within Middlesex County, Connecticut.
| Chester | Clinton | Cromwell | Deep River | |
| Durham | East Haddam | East Hampton | Essex | |
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| Haddam | Killingworth | Middlefield | Middletown | |
| Old Saybrook | Portland | Westbrook | ||
Detect police activity and stay ticket-free in Middlesex County with these police radar detectors.