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.

Callsign 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
AVSEC Aviation Security Service pandemic response assistance team
DCC District Command Center
JTOC Auckland Transport Operations Centre
WNTOC Wellington Transport Operations Centre

Unit type

Unit type codes are as follows (Trial call sign unit identifiers in use in Counties Manukau and Bay of Plenty districts are 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 (road policing/CVST)
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