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Police code. A police code is a brevity code, usually numerical or alphanumerical, used to transmit information between law enforcement over police radio systems in the United States. Examples of police codes include "10 codes" (such as 10-4 for "okay" or "acknowledged"—sometimes written X4 or X-4), signals, incident codes, response codes, or ...
Ten-code. Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by US public safety officials and in citizens band (CB) radio transmissions. The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code.[1]
United States. [] In the United States, response codes are used to describe a mode of response for an emergency unit responding to a call. They generally vary but often have three basic tiers: Code 3: Respond to the call using lights and sirens. Code 2: Respond to the call with emergency lights, but without sirens.
The APCO phonetic alphabet, a.k.a. LAPD radio alphabet, is the term for an old competing spelling alphabet to the ICAO radiotelephony alphabet, defined by the Association of Public-Safety Communications Officials-International [1] from 1941 to 1974, that is used by the Los Angeles Police Department (LAPD) and other local and state law enforcement agencies across the state of California and ...
Police radio. Police radio is a radio system used by police and other law enforcement agencies to communicate with one another. Police radio systems almost always use two-way radio systems to allow for communications between police officers and dispatchers. Most modern police radio systems are encrypted, and many jurisdictions have made ...
Tactical designator. Police units in the United States tend to use a tactical designator (or tactical callsign) consisting of a letter of the police radio alphabet followed by one or two numbers. For example, "Mary One" might identify the head of a city's homicide division. Police and fire department radio systems are assigned official ...
123 or 112. Emergency at sea: 129. Netherlands. 112. Text phone – 0800 81 12; Non-emergency police – 0900 88 44[a] or 0343 578 844; [66] Non-emergency police (text phone) – 0900 18 44; Suicide prevention – 113; Animal emergency – 144; Child abuse – 0900 123 12 30; [a] Anti-bullying hotline – 0800 90 50.
999 is the official emergency number for the United Kingdom, but calls are also accepted on the European Union emergency number, 112. All calls are answered by 999 operators, and are always free. [2] Approximately 35 million 999/112 calls are made in the UK each year, with 74% from mobiles and 26% from landlines in 2022.