Scanner Frequencies & Codes
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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. You can help in this effort. You can simply click on the link above to submit your information, or you can mail your information to us at: National Communications P.O. Box 291918 Kettering, OH 45429 This information is presented as a research tool courtesy of National Communications Magazine. Remember the site is free for you to use, but then there is really nothing that is free of charge. The magazine supports the web site, so please consider supporting the magazine with a subscription. With an annual subscription of $21.00 you will also receive access to our on-line 4 Million frequency searchable databases. We also have a site dedicated to Trunked Frequencies which is also available to you at no charge. You can look up frequencies by city/state You can look up frequencies by frequency/state You can print up the list of frequencies You can email a search to yourself to use in Excel or Scancat============================================================================= ADAMS COUNTY: Code 1 Clear Frequency Code 7 Coffee Break Code 4 OK Code 8 Wanted Code 6 Traffic Stop HKA 3 Flooding Imminent Police F-1 Sheriff/Brighton PD/Coroner F-4 Tactical/Car To Car F-2 Commerce City/Northglenn PD F-5 Tactical/Coord. W/Arapahoe City F-3 Records F-6 CLEAR (mutual aid)N-TAC Network Fire F-1 Fire(South Adams County) F-2 Fire(N. Washington/W. Adams) F-3 Fire(S.W. Adams County/Brighton) Fire(simulcast) Adams County Fire Unit Numbering System 100 Southwest Adams County Fire 400 West Adam County FPD Protection District 500 Brighton FPD 200 South Adams County FPD(Commerce City) 300 North Washington FPD ============================================================================= ARAPAHOE COUNTY: Sheriff's Communications Center: Code 5 Traffic Stop Code 1 At Your Convenience Code 6 Wanted Or Hit(6M-Misd. 6F-Felony) Code 2 Right Away (non-emergency) Code 7 Break (indicate short or long) Code 3 Emergency (red light & siren) Code 4 No Further Assistance Needed F-1 Police Dispatch (north) F-1 Fire Dispatch F-2 Police Dispatch (south) F-2 Fire Talkaround F-3 Police Car To Car/Tactical F-3 Fire Car To Car/Fireground F-4 Police Inquiries/Phone Patch F-4 Fire Mutual Aid Network ============================================================================= BOULDER CITY & COUNTY: Green County dispatch Code 0 Use extreme caution Yellow Secondary to Green/Blue Code 1 Disabled vehicle Blue Boulder City dispatch Code 2 Traffic stop Violet Boulder City clearances Code 3 Clear channel for all incident traf. Purple Boulder Co. Clearances Code 4 No further assistance needed Bronze Boulder City car to car Code 5 In custody Copper Boulder Co. car to car Code 6 Mentally disturbed Silver CU PD Code 7 Meal break Red 1 Fire dispatch Code 8 Arrival (not commonly used) Red 2 Fire car to car Code 9 Wanted/stolen Red 3 Secondary to Red 1 Code 9M Misdemeanor warrant FERN Massive incident control Code 9F Felony warrant Black 1 Longmont Code 9I Sensitive information Black 2 Longmont car to car Code 10 Need emergency assistance Grey Paging (Data only) Code 11 Officer hostage Brown Boulder Co. public works Code Black Suspect is deceased ============================================================================= COLORADO HIGHWAY PATROL (CHP) ROAD CONDITION CODES: Code Meaning Code Meaning 1 No Report (also clear) 13 Road(s) Closed 2 Overcast 14 Road(s) Wet 3 Restricted Due To Wind 15 Road(s) Dry 4 Fog 16 Road(s) Icy 5 Blowing Dust 17 Road(s) Icy In Spots 6 Visibility Poor 18 Road(s) Snowpacked 7 Rain 19 Road(s) Snowpacked In Spots 8 Hail 20 Chains Only (red sanded) 9 Light Snow 21 Road(s) Slushy 10 Heavy Snow (or sleet) 22 Drifting Snow 11 Ground Blizzard 23 Chain Law In Effect 12 Snowslide ============================================================================= DEPARTMENT OF TRANSPORTATION: 10-0 Caution 10-29 Check For Wanted 10-4 OK 10-33 Emergency 10-4 Relay 10-41 Beginning Tour Of Duty 10-7 Out Of Service 10-42 Ending Tour Of Duty 10-8 In Service 10-50 Accident 10-9 Repeat 10-55 Intoxicated Driver 10-13 Weather/Road Report 10-66 Cancellation 10-20 Location 10-78 Need Assistance 10-23 Arrived At Scene 10-89 Bomb Threat 10-24 Assignment Complete 10-95 Prisoner/Subject In Custody 10-27 Drivers License Info 10-96 Mental Subject 10-28 Vehicle Registration 10-99 Wanted/Stolen Indicated PD-Propery Damage PI-Injuries UNK-Unknown Weather/Road Condition Codes: Code 1 Restricted Due To Winds Code 9 Icy Spots Code 2 Poor Visibility Dust/Snow/Fog Code 10 Snow Packed Code 3 Dry Code 11 Snow Packed Spots Code 4 Wet Code 12 Slide Rock/Snow/Mud Code 5 Rain Code 13 Closed Code 6 Snow Code 14 Drifting Snow Code 7 Slushy Code 15 Adequate Snow Tires Or Chains Code 8 Icy Code 16 Chains Only ============================================================================= DENVER CITY & COUNTY POLICE CODES: Code 1 Call The Dispatcher Code 7 Meal Break (short=coffee Code 2 Call Your Office long=lunch) Code 3 Go To Your Office Code 9 Urgent, No Lights/Siren Or Code 4 No Wants Or Stolen Ambulance Investigation Code 5 Wanted/Stolen Indicated Code 10 Urgent, Use Lights & Siren Code 6 Arrived At Scene Code 12 Routine Bar Check Silent Alarm Classifications: Class 1 Employee Error Class 2 Equipment Malfunction Or No Obvious Cause Class 3 Good Alarm Class 4 Cancelled Before Arrival ============================================================================= LONGMONT RADIO CODES: Code 1 Arrival Code 2 Contact with car or person Code 3 Stop transmitting on channel (channel traffic is restricted to ONE incident) Code 4 Unit is OK Code 5 In custody Code 6 Mental Subject (also used for under influence) Code 7 Meal break Code 8 In service Code 9 Wanted person/stolen property Code 9 MARY Misdemeanor warrant Code 9 FRANK Felony warrant Code 9 GEORGE Gang affiliation Code 9 IDA Sensitive information (or officer info.) Code 10 Emergency request for cover unit Code 11 Routine request for cover unit Code 0 Use caution Case Disposition Codes: A ADAM Unable to locate or GOA B BOY Unfounded C CHARLES Civil problem or situation D DAVID General assistance provided E EDWARD Referred to another agency F FRANK Warning given G GEORGE Report taken H HENRY Arrest made I IDA Follow up J JOHN ALARM - Working on alarm K KING ALARM - Employee error L LINCOLN ALARM - Equipment M MARY ALARM - Intentional N NORA ALARM - Valid O OCEAN ALARM - Power outage P PAUL ALARM - Unknown Q QUEEN ALARM - Weather R ROBERT Needs followup or recontact S SAM Summons issued T TOM Car arlarm U UNION Utilities X X-RAY Canceled Y YOUNG Handled by communications ============================================================================= PUBLO POLICE DEPARTMENT: Code 1 Arrived At Scene Code 11 Disregard Code 2 Quick/Urgent Code 12 Traffic Accident PD-Property Code 3 Emergency-Use Lights & Siren Damage, I-injury, F-fatal Code 4 Person In Custody Code 13 Resistor Code 5 Use Caution Or Request Backup Code 14 No Assistance Code 6 Juvenile Code 15 Meet Supervisor Code 7 Out Of Service Code 16 Permission To Leave Beat Code 8 In Service Code 19 Mentally Unstable Code 9 Go To Station Code 20 Clear Channel Code 10 Officer Need Help-EMERGENCY ============================================================================= REVISED OFFICAL APCO TEN SIGNALS: 10-1 Unable To Copy Re-Locate 10-46 Assist Motorist 10-2 Signals Good 10-47 Emerg. Road Repairs Needed 10-3 Stop Transmitting 10-48 Traffic Standard Repair 10-4 Acknowledgement 10-49 Traffic Light Out 10-5 Relay 10-50 Traffic Accident-F, PI, PD 10-6 Busy Stand-By 10-51 Wrecker Needed 10-7 Out Of Service 10-52 Ambulance Needed 10-8 In Service 10-53 Road Blocked 10-9 Repeat 10-54 Livestock On Highway 10-10 Fight In Progress 10-55 Intoxicated Driver 10-11 Dog Case 10-56 Intoxicated Person 10-12 Stand By (stop) 10-57 Hit & Run--F, PI, Pd 10-13 Weather & Road Report 10-58 Direct Traffic 10-14 Report Of Prowler 10-59 Convoy Or Escort 10-15 Civil Disturbance 10-60 Squad In Vicinity 10-16 Domestic Trouble 10-61 Personnel In Area 10-17 Meet Complainant 10-62 Reply To Message 10-18 Complete Assgn. Quickly 10-63 Prepare To Make Written Cpy. 10-19 Return To --------- 10-64 Message For Local Del. 10-20 Location 10-65 Net Message Assgn. 10-21 Call----By Telephone 10-66 Message Cancellation 10-22 Disregard 10-67 Clear To Read Net Msg. 10-23 Arrived At Scene 10-68 Dispatch Information 10-24 Assignment Completed 10-69 Message Received 10-25 Report In Person To---- 10-70 Fire Alarm 10-26 Detaining Subject, Expid 10-71 Advise Nature Of Fire(size, type, 10-27 Drivers License Info. contents of bldg.) 10-28 Vehicle Registration 10-72 Report Progress On Fire 10-29 Check Records For Want 10-73 Smoke Report 10-30 Illegal Use Of Radio 10-74 Negative 10-31 Crime In Progress 10-75 In Contact With 10-32 Man With Gun 10-76 En Route 10-33 Emergency 10-77 ETA 10-34 Riot 10-78 Need Assistance 10-35 Major Crime Alert 10-79 Notify Coroner 10-36 Correct Time 10-82 Reserve Lodging 10-37 Inves. Susp. Vehicle 10-84 If Meeting----Advise ETA 10-38 Stopping Susp. Vehicle 10-85 Will Be Late (give complete discript) 10-87 Pick Up Checks For Dist. 10-39 Urgent (light/siren) 10-88 Advise Telephone # Of---- 10-40 Silent Run 10-90 Bank Alarm 10-41 Beginning Tour Of Duty 10-91 Unnecessary Use Of Radio 10-42 Ending Tour Of Duty 10-93 Blockade 10-43 Information 10-94 Drag Racing 10-44 Request Permission To 10-96 Mental Subject Leave Patrol---For--- 10-98 Prison/Jail Break 10-45 Animal Carcass In Road 10-99 Records Indicate Want/Stolen ============================================================================= SOUTH METRO FIRE (Arapahoe & Douglas County areas) F-1 Main Dispatch (littleton, bow) F-6 Fern Mutual Aid F-2 Fireground (mar, castlewood, F-7 Automatic Aid parker, skyline) F-8 HazMat Teams F-3 Fireground (louviers) F-11 Dispatch (lakewood/Bancroft) F-4 Dispatch (englewood) F-12 Fireground (parker) F-5 Dispatch Input (englewood) F-13 Fireground (parker) SUMMIT COUNTY CODES: 10-10 Fight In Progress 10-18 As Soon As Possible 10-11 Animal Trouble 10-26 "UNUSED" 10-14 Prowler 10-43 Information 10-15 Civil Disturbance 10-64 Message, Local Delivery 10-16 Domestic Problem 10-76 En Route 10-17 Meet Complaint 10-99 Wanted, Stolen =============================================================================