Police 10/11 and Penal Codes
Ten-codes, properly known as ten signals, are code words used to represent common phrases in voice communication, particularly by law enforcement and in Citizens' Band (CB) radio transmissions. The codes, developed in 1937 and expanded in 1974 by the Association of Public-Safety Communications Officials-International (APCO), allow for brevity and standardization of message traffic. They have historically been widely used by law enforcement officers in North America, although in 2005, the U.S. federal government recommended they be discontinued in favor of everyday language.
The following is a list of police, fire and emergency codes listed in numerical order. If you notice that any codes are out of date, or if you have one to add to the list. Please contact us.
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