Police Eleven Codes Used in Law Enforcement Radio Communication

Police Eleven Codes Used in Law Enforcement Radio Communication

In addition to police ten codes, some law enforcement and police departments create alternative coding systems to make their particular form of radio communication unique. Some police departments use 11 codes or “eleven codes” to facilitate radio communication among police officers and police dispatchers. As with any coding system, these form a “language” unique to a particular department or unit.

Use of 11-codes are not as common as police ten codes and are only used in certain areas.

List of Eleven Codes Used by Law Enforcement Officers

Following is a sample list of the most commonly used police 11 codes used by cops in the United States, primarily during radio communications and intra-departmental communication. The codes may also be used by fire departments, EMT’s and other emergency responders:

  • 11-6 = The illegal discharge of a firearm
  • 11-7 = Prowler
  • 11-8 = Person Down
  • 11-10 = Take a police report / conduct an investigation
  • 11-12 = Injured animal
  • 11-13 = Dead animal
  • 11-14 = Dog bite
  • 11-15 = Ball game in street
  • 11-24 = Abandoned vehicle
  • 11-25 = Traffic hazard
  • 11-26  = Disabled vehicle
  • 11-27 = Driver’s license check, please rush
  • 11-28 = Vehicle registration check, please rush
  • 11-29 = Person is clear, no warrants
  • 11-30 = Missing person
  • 11-31 = Need help
  • 11-41 = Ambulance needed
  • 11-44 = Fatality
  • 11-45 = Suicide / attempted suicide
  • 11-48 = Transport
  • 11-50 = Field interrogation
  • 11-51 = Security check
  • 11-79 = Traffic Collision – ambulance responding
  • 11-80 = Traffic Collision – with major injury
  • 11-81 = Traffic Collision – with minor injury
  • 11-82 = Traffic Collision – with no injury
  • 11-83 = Traffic Collision – no details
  • 11-84 = Direct traffic
  • 11-85 = Tow truck needed
  • 11-86 = Special assignment
  • 11-98 = Meet with…
  • 11-99 = Officer needs help or assistance

Why is this relevant to private investigators?

Private investigators may need to understand or decode eleven codes during the course of certain investigation cases. For example, an investigator may be hired in a civil case to investigate police behavior in a particular arrest. In this example, the police may have used 11 codes to communicate before, during or after the arrest. Having a knowledge of these codes may be helpful in your investigative efforts.

Important Note: We did our best to compile the official list of radio communication codes, but use may vary from department to department. As a result, you may find codes that conflict with our list, or our list may not be as complete as others you may find.

Additional Information

See also, police ten codes, which are used much more commonly by police departments throughout the United States.


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