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

 

Feed Notes

* All cities in DeKalb County except Sandwich police, fire, EMS

Frequencies in this feed:

  • Sycamore & Genoa Police Dispatch 155.640Mhz
  • DeKalb County Sheriff’s Department 154.860Mhz (County Sheriff, Corrections and all other small community police except Sycamore, Genoa, DeKalb City and Sandwich).
  • DeKalb County Fire & EMS Dispatch 153.485Mhz (All fire/EMS except DeKalb City and Sandwich)
  • DeKalb City Police Dispatch 155.250Mhz (simulcast from Starcom 21)
  • DeKalb City Fire Department 155.585Mhz – Fire has moved frequencies (I think it is offically 155.5875 but I am picking it up on 155.585 fine).
  • DeKalb City Fireground 153.830Mhz
  • IFERN 154.265Mhz

Police Units on 154.860 (County Sheriff and Small Departments)

  • AC 1-99: DeKalb County Animal Control
  • Charlie 1-99: DeKalb County Corrections Officers
  • David 1-99: DeKalb County Sheriff Detectives
  • Zebra 1-99: DeKalb County Sheriff Deputies
  • 920-929: Hinckley Police
  • 930-939: Waterman Police
  • 940-949: Kingston Police
  • 950-959: Kirkland Police
  • 960-969: Malta Police
  • 970-979: Cortland Police
  • 980-989: Leland Police
  • 990-999: Somonauk Police

Police Units on 155.640 (Sycamore & Genoa)

  • 501-599: Sycamore Police
  • 701-799: Genoa Police

Police Units on 155.250 (DeKalb City Police)

  • 1-99: Officers
  • CSO 1-99: Community Services Officers
  • C1-99: Corporals
  • D1-99: Detectives?
  • L1-99: Lieutenants?
  • Sam 1-99: Sergeants?
  • Victor 1-99: Volunteers In Policing