St. Louis County, Missouri: Police Scanner Guide
Most police and sheriff agencies in St. Louis County have gone encrypted. You can still monitor fire, EMS, weather broadcasts, and any remaining unencrypted channels.
What You Can Still Monitor in St. Louis County
- Fire dispatch — most fire departments stay on open radio even when police go encrypted
- EMS / ambulance dispatch — emergency medical services often remain unencrypted for interoperability
- NOAA Weather Radio — direct NWS broadcasts on 162.400–162.550 MHz
- Public works & utilities — city maintenance, road crews, and utilities typically unencrypted
Recommended Scanners for St. Louis County
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Agencies in St. Louis County
Data from the RadioReference database and direct verification. View all Missouri agencies →
| Agency | Type | Encryption |
|---|---|---|
| Ballwin Police | police | P25 ADP |
| Bellfountain Neighbours Police | police | P25 ADP |
| Berkeley Police | police | P25 ADP |
| Brentwood Police | police | P25 ADP |
| Bridgeton Police | police | P25 ADP |
| Charlack Police | police | P25 ADP |
| Crestwood Police | police | P25 ADP |
| Des Peres Police | police | P25 ADP |
| Ellisville Police | police | P25 ADP |
| Florissant Police | police | P25 ADP |
| Frontenac Police | police | P25 ADP |
| Ferguson Police | police | P25 ADP |
| Glendale Police | police | P25 ADP |
| Hazelwood Police | police | P25 ADP |
| Kirkland Police | police | P25 ADP |
Frequently Asked Questions
What can I monitor in St. Louis County, Missouri?
Most police and sheriff agencies in St. Louis County have gone encrypted. You can still monitor fire, EMS, weather broadcasts, and any remaining unencrypted channels. Check the local fire and EMS frequencies which often remain unencrypted even when police go encrypted.
Is police radio encrypted in St. Louis County?
Yes — 25 out of 32 agencies in St. Louis County use full encryption. An additional 6 use partial encryption. Fire and EMS frequently remain unencrypted.
What scanner do I need for St. Louis County?
For St. Louis County, we recommend a scanner that covers VHF and UHF frequencies for fire, EMS, and weather — the Uniden BC125AT is the best value. For broader exploration, the RTL-SDR V4 with free SDRTrunk software can scan the full spectrum.