Police codes By:

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By Megan Wells, Police1 Contributor

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Police 10 codes are a common form of communication for LEOs. And while some departments are beginning to favor plain English over 10 codes, it’s still an important language to learn. Here is a fully comprehensive list of the Association of Public-Safety Communications Officials (APCO) 10 codes.

Fill out the form on this page to download a PDF of this list.

Note: 10 codes can vary greatly from department to department.

CodeMeaning
10-0Use Caution
10-1Signal Weak
10-2Signal Good
10-3Stop Transmitting
10-4Affirmative
10-5Relay To/From
10-6Busy
10-7Out of Service
10-8In Service
10-9Say Again
10-10Negative
10-11_On Duty (Employee #)
10-12Stand By (Stop)
10-13Weather Conditions
10-14Message/Information
10-15Message Delivered
10-16Reply to Message
10-17En-route
10-18Urgent
10-19(In) Contact
10-20Location
10-21Call (__) by Phone
10-22Disregard
10-23Arrived at Scene
10-24Assignment Completed
10-25Report to (Meet)
10-26Estimated Arrival Time
10-27License/Permit Information
10-28Vehicle Information
10-29Records Check
10-30Danger/Caution
10-31Pick Up
10-32__ Units Needed (Specify)
10-33Need Immediate Assistance
10-34Current Time
10-40Fight in Progress
10-41Beginning Tour of Duty
10-42Ending Tour of Duty
10-43In Pursuit
10-44Riot
10-45Bomb Threat
10-45Bank Alarm
10-47Complete Assignment Quickly
10-48Detaining Suspect, Expedite
10-49Drag Racing
10-50Vehicle Accident
10-51Dispatch Wrecker
10-52Dispatch Ambulance
10-53Road Blocked
10-54Hit and Run Accident
10-55Intoxicated Driver
10-56Intoxicated Pedestrian
10-57Request BT Operator
10-58Direct Traffic
10-59Escort
10-60Suspicious Vehicle
10-61Stopping Suspicious Vehicle
10-62B and E in Progress
10-63Prepare to Receive Assignment
10-64Crime in Progress
10-65Armed Robbery
10-66Notify Medical Examiner
10-67Report of Death
10-68Livestock in Roadway
10-69Advise Telephone Number
10-70Improper Parked Vehicle
10-71Improper Use of Radio
10-72Prisoner in Custody
10-73Mental Subject
10-74Prison/Jail Break
10-75Wanted or Stolen
10-76Prowler
10-77Direct Traffic at Fire Scene
10-80Fire Alarm
10-81Nature of Fire
10-82Fire in Progress
10-83Smoke Visible
10-84No Smoke Visible
10-85Respond Without Blue Lights/Siren

Fill out the form on this page to download a PDF of this list.

This article, originally published on September 26, 2016, has been updated.