10/11 codes + phonetic alphabet

10-1

Transmission is poor

10-2

Transmission is good

10-4

Copy transmission

10-6

I’m busy

10-7

I’m out of service

10-8

I’m in service

10-9

Repeat your transmission

10-10

On a break

10-11

Backup

10-15

Male prisoner

10-15x

Female prisoner

10-16

Dispatch

10-19

Station/office

10-20

Location

10-21

Call the following number

10-22

Cancel/disregard

10-23

Stand-by

10-29

Warrant check

10-30

You’re violating radio rules

10-32

Remain in service

10-33

Emergency radio traffic

10-34

Normal radio traffic

10-37

Suspicious person

10-38

Suspicious vehicle

10-48

Person down

10-50

Prowler

10-53

Missing person

10-56

Bathroom break

10-64w

Warrant check

10-97

Arrived on scene

10-98

Completed the assignment

11-24

Abandoned vehicle

11-41

Ambulance

11-48

Transport

11-79

T/C (traffic collision) with injuries

11-98

Meet with officer at…

11-99

Emergency officer needs help

30-30

Unit to unit communication

Code 1

Normal response

Code 2

Expedite response no L/S (lieutenant/ Sargent)

Code 3

Emergency response with L/S

Code 4

Secure/No further assistance

Code 5

Stake-out

Code 6

Follow-up

Code 7

Meal break

Code 8a

Audible alarm

Code 8s

Silent alarm

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

Yellow

Z

Zebra