Most Commonly used radio 10 codes

10-4    OK / message received
10-6    Busy / stand by
10-7    Out of vehicle / Out of service
10-8    Returned to vehicle / In service
10-9    Repeat message
10-10   Negative
10-11   Speak more slowly, didn’t understand
10-14   My location is...
10-17   En route
10-19   Return to base
10-20   What is your location?
10-22   Disregard last message
10-25   Report to / Contact
10-26   Estimated time of arrival...
10-31   New assignment
10-96   I need the following equipment...

California Highway Patrol radio 10 codes

10-1    Reception good               
10-2    Reception poor               
10-4    Message received             
10-5    Relay message                
10-6    Busy; stand-by               
10-7    In service                   
10-8    In service                   
10-9    Repeat last transmission     
10-10   Off duty                     
10-11   Identify mobile frequency  
10-13   Advise road/weather cond.    
10-14   Provide escort               
10-15   In custody                   
10-17   Relay papers                 
10-19   Returning or return to_____  
10-20   Location requested           
10-21   Telephone ________           
10-22   Disregard                    
10-23   Stand-by                     
10-28   Request for registration     
10-29   Check for wanted             
10-30   Improper radio traffic       
10-31   Attempted suicide            
10-35   Code 2 backup                
10-36   Confidential information     
10-36F  Confidential info - poss armed      
10-36M  Confidential info - Misd. Warrant   
10-37   What time is it?             
10-39   Message/item delivered          
10-97   Arrived on scene          


10-98   Assignment completed
11-10   Take a report
11-24   Disabled vehicle
11-25   Roadway hazard  
11-26   Disabled vehicle; occupied
11-27   DDL (License Check)
11-41   Ambulance requested
11-44   Possible fatality
11-66   Defective traffic signals
11-79   Accident, ambulance rolling
11-80   Accident, major injuries
11-81   Accident, minor injuries
11-82   Accident, property damage
11-83   Accident, no details
11-84   Direct traffic
11-85   Tow truck requested
11-86   Bomb threat
11-87   Bomb found
11-98   Meet at ________
11-99   Officer requires help, emergency

Response codes

Code 1    Handle At Your Convenience
Code 2    Urgent
Code 3    Emergency
Code 4    No Further Help Needed
Code 5    Stake-out
Code 6    Remain Clear Of Area
Code 7    Eating
Code 8    Restroom
Code 10   SWAT ALERT
Code 11   SWAT Staging Location   
Code 20   Notify press
Code 33   Radio clearance
Code 37F  Felony Want
Code 37M  Misdemeanor Want
Code 37T  Traffic Want
Code Blue Bus/Taxi In Trouble

LA Sheriff Response codes

Code 1   Acknowledge Receipt Of Message
Code 3   Emergency, Use Red Lights & Sirens
Code 4   No Further Assistance Need
Code 4A  No Further Assistance At Location
         -Suspect At Large In Area
         -Field Units Continue To Respond
         -Information To Follow
Code 5   Stake Out
         -All Units Stay Away Unless Emergency
         -Response To A Call
Code 6   Out For Investigation
Code 7   Out Of Service To Eat
Code 8   Fire Alarm
Code 9   One-Man Unit Out For Investigation
Code 14  Resume Normal Operations
Code 20  Unit Requests Press Be Notified
Code 77  Use Caution, Possible Ambush

Disposition Codes:

A  Arrest Made
R  Report Made
U  Unfounded
K  No Report Required

SAN DIEGO POLICE CODES:

11-6   Shooting In City 
11-7   Prowler
11-8   Person Down  
11-9   Emergency Box Pulled* 
11-10  Take A Report  
11-11  Pick Up Or Check 
11-12  Loose Livestock 
11-13  Injured Animals  
11-14  Dog Bite  
11-15  Ball Game in Street 
11-16  Trespass Dump/Theft
11-17  Report Of Wires Down
11-30  Incomplete Phone Call 
11-31  Calling For Help 
11-40  Notify If Ambulance Needed 
11-42  Ambulance Needed 
11-43  Doctor Required  
11-44  Coroners Case 
11-45  Attempted Suicide 
11-47  Injured Person 
11-48  Furnish Transportation
11-59  Rescue
11-60  Water Leak (urgent)
11-61  Water Leak (ordinary)
11-62  Water Shut Off
11-63  Water Turn On
11-64  Light Lanterns
11-65  Signal Light Out
11-66  Signals Out Of Order
11-67  Ornamental Light Damage
11-68  Ornamental Light Out
11-69  Fire Hydrant Knocked Off
11-70  Fire (box pulled)
11-71  Fire (no box pulled)
11-72  Still Alarm
11-73  Tap Out
11-80  Serious Injury Accident
11-81  Slight Injury Accident
11-82  Non-Injury Accident
11-83  No Detail Accident
11-84  Direct Traffic
11-85  Tow Car Wanted
11-99  Officer Needs Help

Police Alphabet

A=  Adam                   N=  Nora
B=  Boy                    O=  Ocean
C=  Charles                P=  Paul
D=  David                  Q=  Queen
E=  Edward                 R=  Robert
F=  Frank                  S=  Sam
G=  George                 T=  Tom
H=  Henry                  U=  Union
I=  Ida                    V=  Victor
J=  John                   W=  William
K=  King                   X=  X-Ray
L=  Lincoln                Y=  Yellow
M=  Mary                   Z=  Zebra

Military Alphabet

A=  Alpha                  N=  November
B=  Bravo                  O=  Oscar
C=  Charlie                P=  Papa 
D=  Delta                  Q=  Quebec 
E=  Echo                   R=  Romeo 
F=  Foxtrot                S=  Sierra 
G=  Golf                   T=  Tango
H=  Hotel                  U=  Uniform
I=  India                  V=  Victor
J=  Juliet                 W=  Whiskey
K=  Kilo                   X=  X-ray
L=  Lima                   Y=  Yankee 
M=  Mike                   Z=  Zulu