CHP Radio Codes
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The California Highway Patrol uses a variety of radio codes in their communications. A partial list of codes can be found below.
10 Codes
- 10-1 Receiving Poorly
- 10-2 Receiving Well
- 10-4 Acknowledgment
- 10-5 Relay
- 10-6 Busy
- 10-7 Out of Service
- 10-7A Out of Service (Home)
- 10-8 In Service
- 10-9 Repeat
- 10-10 Off Duty
- 10-11 Identify Frequency
- 10-13 Advise Road & Weather Cond
- 10-15 Prisoner In Custody
- 10-19 Return to ___
- 10-20 Location
- 10-21 Telephone ___
- 10-21A Telephone Home
- 10-28 Vehicle Registration
- 10-29 Check Wants
- 10-36 Confidential Information
- 10-39 Request Additional Unit
- 10-97 Arrived at Scene
- 10-98 Finished Last Assignment
11 Codes
- 11-24 Abandoned Vehicle
- 11-26 Disabled Vehicle
- 11-41 Ambulance Required
- 11-44 Coroner's Case (DBF)
- 11-48 Furnish Transportation
- 11-50 Helicopter, Emergency Landing
- 11-51 Helicopter, Routine Landing
- 11-52 Helicopter, Return to ___
- 11-79 Accident, Ambulance Enroute
- 11-80 Accident, Serious Injury
- 11-81 Accident, Minor Injury
- 11-82 Accident, No Injury
- 11-83 Accident, No Information
- 11-84 Direct Traffic
- 11-85 Request Tow Truck
- 11-98 Meet the Officer, Remain in Service
- 11-99 Officer Needs Help
Other Codes
- Code-2 Urgent
- Code-3 Emergency
- Code-4 No Further Assistance Required
- Code-5 Stakeout
- Code-7 Out of Service-Meal Break
- Code-20 Press Notified
- Code-33 Clear this Frequency for Emergency Traffic