CHP Radio Codes

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 Conditions
10-14 Provide Escort
10-15 Prisoner in Custody
10-19 Return to ___
10-20 Location
10-21 Telephone ___
- 10-21A Telephone Home
10-22 Disregard
10-23 Stand By
10-28 Vehicle Registration
10-29 Check for Wanted (Person, Vehicle, or Object)
10-31 Attempted Suicide
10-36 Confidential Information
- 10-36A Confidential Info, Subject possibly armed
- 10-36F Confidential Info, Possible felony wants
- 10-36M Confidential Info, Possible misdemeanor wants
10-37 What Time is it?
10-39 Message or Item Delivered
10-41 Begin Shift
10-97 Arrived at Scene
10-98 Finished Last Assignment