Standard 10-Codes Reference
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Understanding common 10-codes used in radio communication by police and emergency services.
- 10-0
- Chase in Progress
- 10-1
- Signal Weak
- 10-2
- Signal Good
- 10-3
- Stop Transmitting
- 10-4
- Affirmative
- 10-5
- Relay To
- 10-6
- Busy
- 10-7
- Out of Service
- 10-8
- In Service
- 10-9
- Repeat
- 10-10
- Negative
- 10-11
- ___ On Duty
- 10-12
- Standby
- 10-13
- Existing Condition(s)
- 10-14
- Message/Information
- 10-15
- Message Delivered
- 10-16
- Reply to Message
- 10-17
- En Route
- 10-18
- Urgent/Quickly
- 10-19
- In Contact
- 10-20
- Location
- 10-21
- Phone
- 10-22
- Cancel/Disregard
- 10-23
- Arrived on Scene
- 10-24
- Assignment Complete
- 10-25
- Report to Meet
- 10-26
- ETA
- 10-27
- License/Permit Required
- 10-28
- Ownership Information
- 10-29
- Records Check
- 10-30
- Danger/Caution
- 10-31
- Pick Up
- 10-32
- Units Needed Quickly
- 10-33
- Emergency
- 10-34
- Time
- 10-35
- Radar
- 10-36
- Abandoned Vehicle
- 10-37
- Mobile Data Computer
- 10-38
- Normal Traffic Stop
- 10-39
- Vehicle Search
- 10-40
- Road Repair at _____
- 10-41
- Beginning Tour of Duty
- 10-42
- Ending Tour of Duty
- 10-43
- Time Check
- 10-44
- Unable to Locate
- 10-45
- Animal Carcass in Road
- 10-46
- Assist Motorist
- 10-47
- Suspicious Vehicle
- 10-48
- Stopping Suspicious Vehicle
- 10-49
- Civil Disturbance
- 10-50
- Accident in Progress
- 10-51
- Wrecker Needed
- 10-52
- Ambulances Needed
- 10-53
- Road Blocked
- 10-54
- Direct Traffic
- 10-55
- Intoxicated Driver
- 10-56
- Intoxicated Pedestrian
- 10-57
- Hit and Run
- 10-58
- Riot
- 10-59
- Man With a Gun
- 10-60
- Notify Coroner
- 10-61
- Illegal Use of Radio
- 10-62
- Prison/Jail Break
- 10-63
- Advise Present Phone #
- 10-64
- Bomb Threat
- 10-65
- Blockade
- 10-66
- Drag Racing
- 10-67
- Prisoner/Subject Expedite
- 10-68
- Mental Subject
- 10-69
- Detaining Subject/Expedite
- 10-70
- Fire
- 10-71
- Stolen Vehicle
- 10-72
- Wanted Person
- 10-73
- Burglary
- 10-74
- Hold Up
- 10-75
- Shooting Incident
- 10-76
- Assault
- 10-77
- Vandalism
- 10-78
- Need Assistance
- 10-79
- Prowler
- 10-80
- Suspicious Person
- 10-81
- Missing Person
- 10-82
- Domestic Problem
- 10-83
- Fight in Progress
- 10-84
- Crime in Progress
- 10-85
- Alarm
- 10-86
- Out of Vehicle - Subject to Call
- 10-87
- Request Permission to Leave
- 10-88
- Squad in Vicinity
- 10-89
- Escort
- 10-90
- Prepare to Copy
- 10-91
- Return to ____
- 10-92
- Delayed Due to _____
- 10-93
- Message Received
- 10-94
- General Broadcast
- 10-95
- Pick up Prisoner
- 10-96
- Radio Check
- 10-97
- Radio Check
- 10-98
- Switch to Regional Channel
- 10-99
- Traffic Light Out at ____