Here is a list of what I know for 10 codes for LEO and FF
(Note they may be different in your area)
Following is a list of police ten codes: • 10-1 poor reception • 10-2 good reception • 10-3 stop transmitting • 10-4 message received, affirmative, ok • 10-5 relay this information to ___. • 10-6 busy • 10-7 out of service • 10-8 in service • 10-9 please repeat your message • 10-10 negative • 10-12 standby • 10-13 civilians present and listening • 10-15 en route to station with suspect • 10-18 urgent • 10-19 return to station • 10-20 specify location/my location is ___. • 10-21 place a phone call to ___. • 10-22 disregard • 10-23 stand by on this frequency (also "On scene" in some areas) • 10-27 vehicle registration request • 10-28 arrests / warrants on driver's license • 10-29 arrests / warrants on the vehicle • 10-32 gun • 10-33 emergency traffic follows, hold routine messages • 10-34 frequency open (cancels 10-33) • 10-36 what is the correct time of day? • 10-39 false alarm, premises was occupied • 10-40 false alarm, no activity, premises appears secure • 10-41 begin watch • 10-42 end watch • 10-45 fueling vehicle
