Ten-Codes are signal codes
that are commonly used nationwide in dispatching and
routine communications. Although there is an official list
of 10-Codes sanctioned by the Association
of Public Communications Officials (APCO) for use,
these codes vary from state-to-state and/or
agency-to-agency. This following list contains 10-Codes
that may vary, but for the most part remain consistent
Nationwide.
|
10-1
|
Your Transmission is Weak
|
|
10-2
|
Your Transmission is Good
|
|
10-3
|
Stop Transmitting
|
|
10-4
|
Okay
|
|
10-5
|
Relay Message
|
|
10-6
|
Busy
|
|
10-7
|
Out of Service
|
|
10-8
|
In Service
|
|
10-9
|
Repeat Last Message
|
|
10-10
|
Negative (No)
|
|
10-13
|
Advise Weather/Road Conditions
|
|
10-15
|
Suspect in Custody (LA County Sheriff)
|
|
10-17
|
Unit En-route
|
|
10-19
|
Return to Station
|
|
10-20
|
What’s Your Location
|
|
10-21
|
Contact by Telephone
|
|
10-22
|
Cancel
|
|
10-23
|
All Units Stand By
|
|
10-27
|
Driver’s License Check
|
|
10-28
|
Vehicle Registration Check
|
|
10-29
|
Warrant Check
|
|
10-29FD*
|
Felony Vehicle Warrant – Use Caution! Vehicle used in
commission of a crime.
|
|
10-29H*
|
Felony Warrant – Use Caution! Person considered armed
& dangerous!
|
|
10-29M*
|
Misdemeanor Warrant
|
|
10-29T*
|
Traffic Warrant
|
|
10-29V*
|
Vehicle Reported Stolen
|
|
10-33
|
Emergency! Clear All Radio Traffic
|
|
10-34
|
What’s the Correct Time
|
|
10-97
|
Arrived on Scene
|
|
10-98
|
Assignment Completed |
*Alphabet lettering used in conjunction with
codes are pronounced using a common phonetic
alphabet scheme. For example, "10-29FD" is
pronounced "10-29 Frank-David".
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