APCO 10 Codes
The APCO 10 Codes are used when you don’t want a listener to know what you are talking about. For example, the “10” Codes can be very helpful when reporting a bomb threat. A list of these codes is given below:
| 10 Code | Meaning | 10 Code | Meaning |
|---|---|---|---|
| 10-0 | Use Caution | 10-50 | Traffic Accident |
| 10-1 | Signal Weak | 10-51 | Request Tow Truck |
| 10-2 | Signal Good | 10-52 | Request Ambulance |
| 10-3 | Stop Transmitting | 10-53 | Roadway Blocked |
| 10-4 | Message Received | 10-54 | Livestock on Roadway |
| 10-5 | Relay | 10-55 | Intoxicated Driver |
| 10-6 | Station is busy | 10-56 | Intoxicated Pedestrian |
| 10-7 | Out Of Service | 10-57 | Hit and Run Accident |
| 10-8 | In Service | 10-58 | Direct Traffic |
| 10-9 | Repeat | 10-59 | Escort |
| 10-10 | Fight In Progress | 10-60 | Squad In Vicinity |
| 10-11 | Animal Problem | 10-61 | Personnel In Vicinity |
| 10-12 | Stand By | 10-62 | Reply To Message |
| 10-13 | Report Conditions | 10-63 | Prepare to Copy |
| 10-14 | Prowler Report | 10-64 | Local Message |
| 10-15 | Civil Disturbance | 10-65 | Net Message |
| 10-16 | Domestic Problem | 10-66 | Cancel Message |
| 10-17 | Meet Complainant | 10-67 | Clear For Net Message |
| 10-18 | Urgent | 10-68 | Dispatch Information |
| 10-19 | Go To Station | 10-69 | Message Received |
| 10-20 | Advise To Location | 10-70 | Fire Alarm |
| 10-21 | Phone | 10-71 | Advise Nature Of Alarm |
| 10-22 | Disregard | 10-72 | Report Progress of Alarm |
| 10-23 | Arrived At Scene | 10-73 | Smoke Report |
| 10-24 | Assignment Complete | 10-74 | Negative |
| 10-25 | Report to | 10-75 | In contact with |
| 10-26 | Detaining Suspect | 10-76 | En route to |
| 10-27 | Driver's License Information | 10-77 | Estimated Time of Arrival |
| 10-28 | Vehicle Registration Information | 10-78 | Request Assistance |
| 10-29 | Check Records For Want | 10-79 | Notify Coroner |
| 10-30 | Unauthorized Use Of Radio | 10-80 | Pursuit in Progress |
| 10-31 | Crime In Progress | 10-81 | Breathalyser Report |
| 10-32 | Person With Gun | 10-82 | Reserved Lodgings |
| 10-33 | Emergency – All Units Stand By | 10-83 | School Crossing Assignment |
| 10-34 | Riot | 10-84 | If meeting, Advise Estimated Time of Arrival |
| 10-35 | Major Crime Alert | 10-85 | Arrival Delayed |
| 10-36 | Correct Time | 10-86 | Operator On Duty |
| 10-37 | Suspicious Vehicle | 10-87 | Pick Up |
| 10-38 | Stop Suspicious Vehicle | 10-88 | Advise Telephone Number |
| 10-39 | Respond With Siren and Flashers | 10-89 | Bomb Threat |
| 10-40 | Do not use Siren and Flashers | 10-90 | Bank Alarm |
| 10-41 | Beginning Shift | 10-91 | Pick Up Subject |
| 10-42 | End Shift | 10-92 | Illegally Parked Vehicle |
| 10-43 | Information | 10-93 | Blockage |
| 10-44 | Permission to Leave | 10-94 | Drag Racing |
| 10-45 | Dead Animal | 10-95 | Subject In Custody |
| 10-46 | Assist Motorist | 10-96 | Detain Subject |
| 10-47 | Emergency Road Repair | 10-97 | Test Signal |
| 10-48 | Traffic Control | 10-98 | Prisoner Escape |
| 10-49 | Traffic Signal Out | 10-99 | Wanted Or Stolen |
