If available, see below for a list of known police frequencies for Newcastle, Oklahoma. Or, navigate to another city or town within McClain County, to view the local police frequencies.
| Blanchard | Byars | Cole | Criner | |
| Dibble | Goldsby | Newcastle | Payne | |
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| Purcell | Rosedale | Washington | Wayne | |
| Woody Chapel | ||||
Detect police activity and stay ticket-free in Newcastle, Oklahoma with these police radar detectors.