10-66 Police Code Meaning & Definition
What Does 10-66 Mean?
10-66 is a police radio code most commonly used to mean Cancel.
Police departments and dispatch centers may use 10-66 differently, but Cancel is the most common meaning found in our database of agencies across the United States.
Most Common Meaning: Cancel
Used this way by: 31% of agencies on this page
Used in: 13 agencies across 10 states
Category: Administrative
Consensus: LowThis code is used with several different meanings across agencies.
Code Distribution Breakdown
Cancel: 31% (4 agencies)
Briefing/Debriefing: 8% (1 agency)
Suspicious person: 8% (1 agency)
Rape: 8% (1 agency)
Notify Medical Examiner: 8% (1 agency)
Nature Call: 8% (1 agency)
Unusual Incident: 8% (1 agency)
Recover Stolen Vehicle: 8% (1 agency)
Larceny: 8% (1 agency)
Gang-Related Incident: 8% (1 agency)
10-66 Police Code Meanings by Agency
13 agencies across 10 states
Train derailment, plane crash, building collapse
Sources
Used anytime a person is suspected of being associated with a criminal gang.
Why Does 10-66 Have Different Meanings?
Police radio codes are not standardized nationwide. Different agencies may assign different meanings to 10-66 , which is why multiple definitions can exist for the same code.
View all police codes