Signals Codes
Dates
Abbreviation's
Phonetic Alphabet
Medical Codes
100

S31

What is Drug Violation

100

When and where was the enhanced 911 system introduced

Orange County, FL

1980

100

BLK

What is black

100
A

what is alpha

100

1

What is abdominal pain

200

S20

What is mentally ill person

200

First 911 Call was made where/ when

Haleyville, Alabama

1968

200

VN

what is van

200

E

What is echo

200

8

what is carbon monoxide/ inhalation

300

S69

What is hostage situation

300

First two way radio was implemented where/when

Bayonne New Jersey, 1933

300

DEP

what is deputy

300

Z

what is zebra

300

29

what is traffic/transportation incidents

400

S68

What is landlord/tenant

400

First one way radio was made where and when

Detroit, 1928

400

POSS

What is possible

400

N

what is november

400

25

what is suicide attempt

500

S41

What is fraud/embezz,forgery,counterfeit

500

First telecommunicators week

1981

500

RESP

what is respirations

500

K

What is kilo

500

24

what is pregnancy/miscarriage