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Radio 10-Codes

While the use of police 10 codes is not universally standardized across all of North America, several codes are widely recognized and frequently used by various law enforcement agencies in the U.S. and Canada.
Quiz by
Robear
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Last updated: November 27, 2025
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First submittedNovember 27, 2025
Times taken9
Average score41.2%
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Hint
Answer
10-1
Bad Radio Check (Receiving Poorly)
10-2
Good Radio Check (Loud and Clear)
10-4
Affirmative
10-7
Out of Service (Off duty, Not Available)
10-8
In Service (Available for calls)
10-9
Repeat Message
10-20
Location (Where are you?)
10-21
Phone Call
10-23
Arrived at Scene
Hint
Answer
10-28
Vehicle Information
10-29
Check for Wanted Persons / Record Check
10-32
Radio Check (How am I being received?)
10-33
Emergency / Officer in Trouble
10-50
Vehicle Collision
10-76
En Route
10-99
Wanted / Stolen (information from record check)
10-100
Bomb Threat
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2 Comments
+1
Level 28
Feb 4, 2026
Make it to where it takes multiple answers for one example like on scene for arrived on scene
+1
Level 28
Feb 4, 2026
Also I’m pretty sure En route is 10-17