The radio codes used by law enforcement in the United States vary from one locality to the next, explains National Public Radio, but a list of common law enforcement codes is available at However, many agenc... More » Government & Politics Law Enforcement

Police radio codes, also known as "10 codes," are assigned numbers used to transmit information between police officers and the dispatch center. The "10" is a prefix, indicating that the following numbers are a coded mes... More » Technology Audio Equipment

Police radio 10-codes are numeric communication signals used by law enforcement and government agencies to help reduce confusion during two-way voice radio communication, according to Private citizens ... More » Government & Politics Law Enforcement
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