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10 Codes, similar to that of Q Codes are another form of abbreviation to simplify a current status or incident, however today these are more of a legacy use on CB. But some traditional / old time breakers still use them along with the police in some countries.
10-1 - Receiving poorly
10-2 - Receiving well
10-3 - Stop transmitting
10-4 - Message received (OK, affirmative)
10-5 - Relay message
10-6 - Busy, standby
10-7 - Out of service / Leaving air
10-8 - In service / On the air
10-9 - Repeat message
10-10 - Transmission completed (standing by)
10-11 - Talking too rapidly
10-12 - Visitors present (watch your talk)
10-13 - Weather conditions
10-14 - I am not a trucker
10-15 - I am a trucker
10-16 - Make a pickup at...
10-17 - Urgent business
10-18 - Anything for us?
10-19 - Nothing for you / Return to base
10-20 - Location
10-21 - Call by telephone
10-22 - Disregard last message
10-23 - Arrived at destination
10-24 - Completed last assignment
10-25 - Can you contact...
10-26 - Disregard
10-27 - I am moving to channel
10-28 - Identify your station
10-29 - Time is up for contact
10-30 - Does not conform to FCC rules
10-32 - I will give you a radio check
10-33 - Emergency traffic
10-34 - Trouble at this station
10-35 - Confidential information
10-36 - Correct time
10-38 - Ambulance needed
10-39 - Your message delivered
10-41 - Please tune to channel (new channel)
10-42 - Traffic accident at
10-43 - Traffic tie-up at
10-44 - I have a message for you
10-45 - All units within range please report
10-50 - Break channel
10-62 - Unable to copy, use phone
10-65 - Awaiting your next message
10-67 - All units comply
10-70 - Fire at (location)
10-73 - Speed trap at (location)
10-75 - You are causing interference
10-77 - Negative contact
10-84 - My telephone number is (number)
10-85 - My address is (address)
10-91 - Talk closer to mic
10-92 - Your transceiver is out of adjustment
10-93 - Check my frequency on this channel
10-94 - Give me a long count
10-95 - Transmit dead carrier for 5 sec
10-99 - Mission completed / All OK
10-100 - Bathroom break (often joking)
10-200 - Police needed at (location) (not always used)
Last modified 20 Aug 2025
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