What Is a Code 21 Police Code? Code 21 Police Code

The Code 21 police code meaning for the police forces is Jail Emergency.

The usage of police codes such as Code 21 which means Jail Emergency is designed to make the communication between the the police crew easier, faster and clearer. Instead of making mistakes in the comunnication, missplelling or stating long descriptions, stating a police code such as Code 21 is best efficient and creating a clear speech procedure.

What Is Jail Emergency? Police Code for Jail Emergency
The Police Code for Jail Emergency is Code 21.

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Code 21 Police Code is one of the police codes used but there are tens of police codes used every day for the communication – you can listen to Code 21 Police Code using a police code scanner.

Police codes were developed during 1937–1940 and expanded in 1974 by the Association of Public-Safety Communications Officials-International (APCO).

The most used police code used is when an officer retires a call to dispatch is made. The officer gives a 10-7 code (Out of service) and then a 10-42 code (ending tour of duty).

APCO first proposed Morse code brevity codes in the June 1935 issue of The APCO Bulletin, which were adapted from the procedure symbols of the U.S. Navy, though these procedures were for communications in Morse code, not voice.

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What Is a Code 21 Police Code? Code 21 Police Code

The Code 21 police code meaning for the police forces is Jail Emergency.

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