CB Radio 10-Code List

10-Code	Meaning
10-1	Receiving Poorly or I can’t hear you
10-2	Receiving well or I can hear you
10-3	Stop transmitting
10-4	Message received
10-5	Relay message
10-6	Busy, stand by
10-7	Out of service
10-8	In service
10-9	Repeat Message
10-10	Transmission completed, standing by
10-11	Talking too rapidly
10-12	Visitors present
10-13	Advise weather/road conditions
10-16	Make pick up at ___
10-17	Urgent Business
10-18	Anything for us?
10-19	Nothing for you, return to base
10-20	Your current location
10-21	Call by telephone
10-22	Report in person to [location]
10-23	Stand by
10-24	Completed last assignment
10-25	Can you contact [person’s name]
10-26	Disregard Last Information/Cancel Last Message
10-27	I’m moving to channel [channel number]
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 at this station
10-34	Trouble at this station, help needed
10-35	Confidential information
10-36	Need correct time
10-37	Wrecker needed at [location]
10-38	Ambulance needed at [location]
10-39	Your message delivered
10-41	Please tune to channel [channel #]
10-42	Traffic accident at [location]
10-43	Traffic jam
10-44	I have a message for you
10-45	All units within range please report
10-50	Break channel
10-60	What is next message number?
10-62	Unable to copy, please use phone
10-65	Awaiting your next message or assignment
10-67	All units comply
10-70	Fire at [location]
10-71	Proceed with transmission in sequence
10-73	Speed trap
10-75	You are causing interference
10-77	Negative contact
10-84	My telephone number is
10-85	My address is
10-91	Talk closer to the mike
10-92	Your transmitter is out of adjustment
10-93	Check my frequency on this channel
10-94	Please give me a long count
10-95	Transmit dead carrier for 5 seconds
10-99	Mission completed; all units secure
10-100	Bathroom break
10-200	Police needed at [location]

Notes:

• These 10-codes are commonly used in CB (Citizens Band) radio communication.
• Some codes may vary in meaning depending on location and radio community.
• 10-4 is one of the most universally recognized codes, meaning “Message received.”