Ten-codes, also known as 10-codes or ten signals, are code words used by many police officers to aid with voice communication. The codes were originally developed in 1937 to allow for …

Mar 12, 2025 · A fully comprehensive list of Association of Public-Safety Communications Officials (APCO) 10 codes.

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There are four police 10 code versions widely used in the US and listed below. The Association of Police Communications Officers version is the most common.

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Jul 1, 2025 · Police 10-codes are a system of numerical signals used for two-way radio communication. Each number corresponds to a common phrase or message, allowing officers …

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