Common Police Radio Codes:

CodeMeaning
Code 1Urgent – Immediate response with lights and sirens.
Code 2Non-urgent – No lights or sirens, routine response.
Code 3Request for backup or additional units.
Code 4Situation under control – No further assistance required.
Code 5Officer in distress – Immediate assistance required.
Code 6An ambulance or medical assistance is needed.
Code 7Fire services are required.
Code 8Hazardous materials are present.
Code 9Permission to leave or disengage from a scene.