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Official Ten-Code List
Association of Public Communications Officers (APCO)

  • 10-0 Caution

  • 10-1 Unable to copy -- change location

  • 10-2 Signal good

  • 10-3 Stop transmitting

  • 10-4 Acknowledgement (OK)

  • 10-5 Relay

  • 10-6 Busy -- stand by unless urgent

  • 10-7 Out of service

  • 10-8 In service

  • 10-9 Repeat

  • 10-10 Fight in progress

  • 10-11 Dog case

  • 10-12 Stand by (stop)

  • 10-13 Weather -- road report

  • 10-14 Prowler report

  • 10-15 Civil disturbance

  • 10-16 Domestic disturbance

  • 10-17 Meet complainant

  • 10-18 Quickly

  • 10-19 Return to ...

  • 10-20 Location

  • 10-21 Call ... by telephone

  • 10-22 Disregard

  • 10-23 Arrived at scene

  • 10-24 Assignment completed

  • 10-25 Report in person (meet) ...

  • 10-26 Detaining subject, expedite

  • 10-27 Drivers license information

  • 10-28 Vehicle registration information

  • 10-29 Check for wanted

  • 10-30 Unnecessary use of radio

  • 10-31 Crime in progress

  • 10-32 Man with gun

  • 10-33 Emergency

  • 10-34 Riot

  • 10-35 Major crime alert

  • 10-36 Correct time

  • 10-37 (Investigate) suspicious vehicle

  • 10-38 Stopping suspicious vehicle

  • 10-39 Urgent -- use light, siren

  • 10-40 Silent run -- no light, siren

  • 10-41 Beginning tour of duty

  • 10-42 Ending tour of duty

  • 10-43 Information

  • 10-44 Permission to leave ... for ...

  • 10-45 Animal carcass at ...

  • 10-46 Assist motorist

  • 10-47 Emergency road repairs at ...

  • 10-48 Traffic standard repair at ...

  • 10-49 Traffic light out at ...

  • 10-50 Accident (fatal, personal injury, property damage)

  • 10-51 Wrecker needed

  • 10-52 Ambulance needed

  • 10-53 Road blocked at ...

  • 10-54 Livestock on highway

  • 10-55 Suspected DUI

  • 10-56 Intoxicated pedestrian

  • 10-57 Hit and run (fatal, personal injury, property damage)

  • 10-58 Direct traffic

  • 10-59 Convoy or escort

  • 10-60 Squad in vicinity

  • 10-61 Isolate self for message

  • 10-62 Reply to message

  • 10-63 Prepare to make written copy

  • 10-64 Message for local delivery

  • 10-65 Net message assignment

  • 10-66 Message cancellation

  • 10-67 Clear for net message

  • 10-68 Dispatch information

  • 10-69 Message received

  • 10-70 Fire

  • 10-71 Advise nature of fire

  • 10-72 Report progress on fire

  • 10-73 Smoke report

  • 10-74 Negative

  • 10-75 In contact with ...

  • 10-76 En route ...

  • 10-77 ETA (estimated time of arrival)

  • 10-78 Need assistance

  • 10-79 Notify coroner

  • 10-80 Chase in progress

  • 10-81 Breathalyzer

  • 10-82 Reserve lodging

  • 10-83 Work school xing at ...

  • 10-84 If meeting ... advise ETA

  • 10-85 Delayed due to ...

  • 10-86 Officer/operator on duty

  • 10-87 Pick up/distribute checks

  • 10-88 Present telephone number of ...

  • 10-89 Bomb threat

  • 10-90 Bank alarm at ...

  • 10-91 Pick up prisoner/subject

  • 10-92 Improperly parked vehicle

  • 10-93 Blockade

  • 10-94 Drag racing

  • 10-95 Prisoner/subject in custody

  • 10-96 Mental subject

  • 10-97 Check (test) signal

  • 10-98 Prison/jail break

  • 10-99 Wanted/stolen indicated

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