Police Callsign Types

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Call sign Format

With the exception of Counties Manukau and Bay of Plenty police districts, who operate a different system, unit call signs follow this format:

  • Two characters: indicating the home station, beat area or district in which the unit primarily operates.
  • A character indicating the unit type.
  • Up to three characters which uniquely identify the unit.

In the Counties Manukau and Bay of Plenty police districts, unit call signs are five characters in length and follow this format:

  • Two characters that identify the geographical area of responsibility.
  • A letter and digit that identify the unit type.
  • Unique identifier of the unit: Digit = supervisory/NCO level and above; Letter = others.


  • TNI3 Takapuna I-Car (general duties), late shift.
  • SVM1 Auckland Motorways motorcycle unit, section 1.
  • CMT8C Counties Manukau serious crash unit officer.

Home station

For a list of the home station codes, see Category:Police callsigns for a list of each region page with police callsigns.

Special callsigns

Occasionally non standard callsigns are used for special purposes.

Code Description
*Zero Alpha Armed Offender Squad incident control point
*Northcomm Alpha Shift Commander, Northern Comm Centre
*Central Alpha Shift Commander, Central Comm Centre
*Southcomm Alpha Shift Commander, Southern Comm Centre
*DCC District Command Center
*AVSEC Aviation Security Service pandemic response assistance team
*ART Armed Response Teams

Unit type

Unit type codes (third letter) are as follows (Trial call sign allocation types also listed):

Code Description
A Commissioned officer (inspector)
B Beat Unit
C Crime Car (CIB patrol for initial attendance at serious crimes)
CC City Cameras
CP Community Watch/Patrol
D Dog patrol / Delta
E Uniform Enquiry unit
F Fingerprints/Photographs
G Logistics
H Highway Patrol traffic unit
I Incident Patrol (Uniform); also Public Safety Team (multi crew)
J Combined investigative unit; also Public Safety Team (single crew)
K Scene of Crime officer
L Police Launch; also Prisoner Transport
M Mounted patrol (Motorcycle/Bicycles)
N Senior Sergeant
O Community Constable
P Team Policing Unit
Q Single crewed unit attends historic/non urgent incidents
R Rural Patrol Unit; also Road Policing Unit
S Public Safety Team Sergeant (PST is the new name for General Duties)
T General Traffic unit
U Motorways Unit
V Traffic Sergeant
W Misc Traffic units (Speed Cameras/Commercial Vehicle investigation units)
X Misc CIB units
Y Youth Aid/Education
Z Diplomatic Protection Squad; also Community Patrols