Illinois Ten Codes

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 problem

10-17 Meet complainant

10-18 Complete assignment 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 record for wanted

10-30 Illegal 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 Request permission to leave patrol ______ for ______

10-45 Animal carcass in ______ lane at

10-46 Assist motorist

10-47 Radio repair at ______

10-48 Traffic standard needs repairs

10-49 Traffic light out at ______

10-50 Accident

10-51 Wrecker needed

10-52 Ambulance needed

10-53 Road blocked at ______

10-54 Livestock on highway

10-55 Intoxicated driver

10-56 Intoxicated pedestrian

10-57 Hit and run

10-58 Direct traffic 

10-59 Convoy or escort 

10-60 Squad in vicinity 

10-61 Personnel in area 

10-62 Reply to message 

10-63 Prepare 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 alarm 

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 Arrival) 

10-78 Need assistance 

10-79 Notify coroner 

10-80 Chase in progress 

10-81 Breathalyzer report 

10-82 Reserve lodging 

10-83 Work school crossing at ______ 

10-84 If meeting ______ advise time 

10-85 Delayed due to ______ 

10-86 Officer/operator on duty 

10-87 Pickup/distribute checks 

10-88 Advise present telephone #of ______

10-89 Bomb threat 

10-90 Bank alarm at ______

10-91 Pick up prisoner/ subject 

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 Records indicate wanted or stolen

Phonetic Alphabet

A-Adam

B-Boy

C-Charles

D-David

E-Edward

F-Frank

G-George

H-Henry

I-Ida

J-John

K-King

L-Lincoln

M-Mary

N-Nora

O-Ocean

P-Paul

Q-Queen

R-Robert

S-Sam

T-Tom

U-Union

V-Victor

W-William

X-X-ray

Y-Young

Z-Zebra