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This file contains many of the radio codes & signals you hear used on the
air. The information has been gleaned from many sources and since
the only way to get this information is to listen and record what the
radio codes and signals are encountered, there may be some differences in
what is presented here from what you might believe the code or signals is
used for.
The data is arranged alphabetically by agency name.
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National Communications
P.O. Box 291918
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You can look up frequencies by city/state
You can look up frequencies by frequency/state
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STATE 10-CODES:
10-1 Signal Weak 10-47 Emergency Road Repair At ____
10-2 Signal Good 10-48 Traffic Standard Repair At ____
10-3 Stop Transmitting 10-49 Traffic Light Repair At ____
10-4 Okay 10-50 Accident (fatal, PD, PI)
10-5 Relay to _____ 10-51 Wrecker Needed
10-6 Busy 10-52 Ambulance Needed
10-7 Out Of Service 10-53 Road Blocked At _____
10-8 In Service 10-54 Livestock On Highway
10-9 Say Again 10-55 Intoxicated Driver
10-10 Fight In Progress 10-56 Intoxicated Pedestrian
10-11 Dog Case 10-57 Hit & Run (fatal, PD, PI)
10-12 Stand By (stop) 10-61 Personnel In Area
10-13 Existing Conditions 10-62 Reply To Message
10-14 Prowler Report 10-63 Prepare To Copy Message
10-15 Civil Disturbance 10-64 Message For Delivery
10-16 Domestic Problem 10-65 Net Message Assignment
10-17 Meet Complainant 10-66 Message Cancellation
10-18 In Contact 10-67 Clear For Net Message
10-19 Return To ______ 10-68 Dispatch Information
10-20 Location 10-69 Message Received
10-21 Call ____ By Phone 10-70 Fire Alarm Or Fire Rescue
10-22 Disregard 10-71 Advise Nature Of Fire
10-23 Arrived At Scene 10-72 Report Progress Of Fire
10-24 Assignment Complete 10-73 Smoke Report
10-25 Report To _____ 10-74 Negative
10-26 Holding Subject, Expedite 10-75 In Contact With ____
10-27 License/Permit Info. 10-76 En Route To _____
10-28 Ownership Information 10-77 ETA
10-29 Records Check 10-78 Need Assistance
10-30 Unnecessary Use Of Radio 10-79 Notify Coroner
10-31 Crime In Progress 10-80 Chase In Progress
10-32 _____ Units Needed 10-81 Breathalyzer Report
10-33 Help Me Quick 10-82 Reserve Lodging
10-34 Riot 10-83 Work School Crossing At ____
10-35 Major Crime Alert 10-84 If Meeting ____ Advise ETA
10-36 Correct Time 10-85 Delayed Due To _____
10-37 Suspicious Vehicle Invest 10-86 Officer/Operator On Duty
10-38 Stopping Suspicious Veh 10-87 Pickup/Distribute Checks
10-39 Urgent, Lights And Siren 10-88 Present Phone Number Of ____
10-40 Silent, No Lights/Siren 10-89 Bomb Threat
10-41 Beginning Tour Of Duty 10-90 Bank Alarm At ____
10-42 Ending Tour Of Duty 10-91 Pick Up Prisoner/Subject At ___
10-43 Information 10-92 Improperly Parked Vehicle
10-44 Permission To Leave 10-93 Blockade
10-45 Animal Carcass At ____ 10-94 Drag Racing
10-46 Assist Motorist 10-95 Prisoner/Subject In Custody
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