If available, see below for a list of known police frequencies for Johnston City, Illinois. Or, navigate to another city or town within Williamson County, to view the local police frequencies.
| Frequency | Description | Agency | |
|---|---|---|---|
| 151.4675 | Johnston City Police - Dispatch | Johnston City Police |
| Bush | Cambria | Carterville | Colp | |
| Crainville | Creal Springs | Energy | Freeman Spur | |
|
| ||||
| Herrin | Hurst | Johnston City | Marion | |
| Pittsburg | Spillertown | Whiteash | ||
Detect police activity and stay ticket-free in Johnston City, Illinois with these police radar detectors.