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Last Updated: January 19, 2021, 11:20 am
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State of California Radio Reference
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California Agencies Updated in the Past 24 hours
Department of State Hospitals
Department of Development Services (DDS)
California Agencies Updated in the Past 7 days
Federal Operations (Statewide or Regional)
Department of State Hospitals
Department of Development Services (DDS)
Go to a County
County pages contain radio communications information for all agencies and services within a County
Choose County
Alameda
Alpine
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California State Agencies
Frequencies for California public safety agencies
Choose Agency
California Highway Patrol (CHP)
California Multi-Agency Radio System (CMARS)
Department of Corrections and Rehabilitation (CDCR)
Department of Development Services (DDS)
Department of Fish and Wildlife
Department of Food & Agriculture
Department of Forestry & Fire Protection (CAL FIRE)
Department of Justice (DOJ)
Department of Parks and Recreation (State Parks)
Department of State Hospitals
Department of Technology
Department of Transportation (CALTRANS)
Department of Veterans Affairs (CAL VET)
Department of Water Resources
Office of Emergency Services (Cal OES)
Go to Metro Area
Metro area pages are a collection of links to county and agency information for a defined Metro area.
Choose Metro Area
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Los Angeles
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California Areawide Frequencies
Misc areawide frequencies in California.
Please also see our
United States nationwide frequencies
page here.
Choose Agency
Amateur Radio (Statewide or Regional)
American Red Cross
Bureau of Land Management
California Railroads
Civil Air Patrol
Federal Operations (Statewide or Regional)
Military Operations (Statewide or Regional)
National Park Service
Private Air Ambulance
TRACONs
United States Forest Service
Utilities
Yosemite National Park
Los Angeles (ZLA) Air Route Traffic Control Center
Oakland (ZOA) Air Route Traffic Control Center
Seattle (ZSE) Air Route Traffic Control Center
Areawide Trunking Systems in California
California Radio Interoperable System (CRIS)
Project 25 Phase II
Southern California Edison
Project 25 Phase II
Cook's Communications ValleyNet
NXDN NEXEDGE 4800
Unidentified Federal Project 25 BEE00-4D5
Project 25 Phase II
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