Collar number

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Not to be confused with Warrant card.

A collar number, also known as a shoulder number, force identification number (FIN) or occasionally as force number (although this can also refer to ID number of a force itself), identifies police officers, police community support officers (PCSO), Special Constables (SC or SPC) and some police staff in UK police forces. Although now displayed on epaulettes (i.e. on the shoulder), it is still commonly referred to as a collar number. Although most forces issue a collar number to all warranted officers, regardless of role, only uniformed officers of the ranks constable and sergeant actually display the numbers.

In most forces it is simply a one- to five-digit number, but in larger forces a letter code (also known as a division call sign) may be added to indicate the officer's base area or unit. In some forces different types of staff (paid ('regular') police officers, special constables, PCSOs and other police staff) are assigned different ranges of numbers, so a person's role can be deduced from the number, but these systems are force specific and there is no national standard.

For the letters shown on riot helmets and the roofs of police vehicles, see Home Office radio callsigns.


In France, the wearing of the collar number is compulsory, save a few exceptions, from 1 January 2014.[1]

United Kingdom[edit]

City of London[edit]

Until recently, collar numbers consisted of a number followed by a single letter to indicate the division (e.g. "PC 123A").

In 1914, the force was reorganised into four divisions, each named after its police station:

Divisional letter Division
A Moor Lane
B Snow Hill
C Bishopsgate
D Cloak Lane

Moor Lane Police Station was destroyed in the Blitz in 1940, and A Division was abolished and distributed amongst the three remaining divisions. Cloak Lane Police Station was closed down in 1946, and D Division was transferred to the new Wood Street Police Station. The divisions after 1946 therefore stood at:

Divisional letter Division
B Snow Hill
C Bishopsgate
D Wood Street

In 1984, the force was reduced to two territorial divisions, based at Snow Hill Police Station and Bishopsgate Police Station (still B and C Divisions), together with support divisions, and the divisions subsequently stood at:

Divisional letter Division
A Anti-Terrorism & Public Order
B Snow Hill
C Bishopsgate
D Specialist Crime Operations
E Professional Development Unit
F Economic Crime Department

In February 2009, all the divisions were abolished and the force was divided into directorates (with all patrol officers falling within the new Territorial Policing Directorate, subsequently incorporating certain specialist units and becoming the Uniformed Policing Directorate). All officers' collar numbers were then suffixed by the letters "CP" rather than a divisional letter.

Collar numbers are allocated as follows:

Range Officers
1–149 Sergeants
150–999 Constables
1000–1099 Special Sergeants
5100–5299 Special Constables
2000–2099 PCSOs

Metropolitan Police[edit]

A number, followed by one or two letters indicating the station/sector, borough, or unit. Current practice favours use of borough codes rather than station codes (with the borough code generally taken from one of the borough's stations—see below—which can cause confusion).

Divisional area codes are still used to identify the areas themselves, together with the police station and vehicles (if any) nominally covering them, but not officers. So for example QY88 would be a panda car notionally assigned to Kingsbury, though it would actually be based at QD (i.e. Wembley, the nearest operational police station) and be crewed by officers whose collar numbers all contain the letters 'QK' (since they are counted as Brent officers regardless of which station they may happen to be based at).

A one or two digit number denotes a Sergeant (except in larger boroughs like Southwark where some Sergeants are allocated three digit numbers), a three digit number denotes a Constable, a four digit number beginning with 5 denotes an officer of the Metropolitan Special Constabulary, unless they're attached to a 'Roads & Transport Policing Command' (RTPC) team, in which case the number will begin with an 8 and a four digit number beginning with 7 denotes a PCSO again unless they are attached to RTPC and they will start with a 6. Confusingly, MPS epaulettes display the letters over the digits, i.e. 81FH (a Sergeant based at Hammersmith) would show FH over 81 on his/her shoulder, which reads more like FH81 (the call sign of a panda car based there). Ranks above Sergeant do not have collar numbers - officers are identified by name (e.g. Inspector Smith, who may once have been PC 123KG Smith).

An exception to the above is the City of Westminster borough. Westminster has over 1500 officers therefore a three digit number system is too small. Until late 2009 constables and sergeants had four digit shoulder numbers beginning 1, 2, 3 or 4 (with the leading number signifying which part of the borough you were attached to - 1 Westminster North, 2 Westminster Central, 3 Westminster South or 4 Westminster HQ). With the amalgamation of Westminster Central and South in late 2009 the decision was taken to amalgamate all the shoulder numbers into one numbering system. All new officers joining the borough will be given the first available number and cross division moves will no longer result in the need for a new shoulder number.

Specialist MPS units do not necessarily follow any of the above numbering rules, with both Constables and Sergeants having anything from one to four digits.

All Metropolitan Police officers in uniform below the rank of Inspector are required to have their collar numbers on display at all times.[2] It is increasingly common for higher ranks to display their warrant numbers on their epaulettes in addition to their rank.[citation needed]

Code Specialist unit
CC Central Communications Command (CO10)
CJ Met Detention (Custody)
CO Specialist Crime & Operations (includes Specialist Firearms Command, Mounted Branch, Air Support Unit etc)
D Diplomatic Protection Group (SO6)
FRT Forensic Response Team
ID Heathrow Airport & London City Airport (now Aviation Security (SO18))
P Parliament (SO17)
R Royalty Protection Group (SO14)
RO Royal Parks
MXC Specialist Crime Directorate
SO Specialist Operations
L Learning Directorate (training)
T Roads & Transport Policing Command - (Merger of ST (Safer Transport) and TD (Traffic)
U Territorial Support Group (CO20)
Borough Sectors
KG Barking & Dagenham KB Barking, KG Dagenham, KK Marks Gate, KW Freshwharf
SX Barnet SA Barnet, SX Colindale, SF Finchley, SG Golders Green, ST Whetstone
RY Bexley RB Belvedere, RY Bexleyheath, RS Sidcup
QK Brent QC Chalkhill, QH Harlesden, QK Kilburn, QD Wembley, QL Willesden Green, QY Kingsbury
PY Bromley PB Beckenham, PH Biggin Hill, PC Chislehurst, PY Bromley, PN Orpington, PG Penge, PW West Wickham
EK Camden EO Holborn, EK Kentish Town, EW West Hampstead
ZD Croydon ZX Croydon, ZN South Norwood, ZY Norbury, ZK Kenley, ZA Addington, ZC Custody
XB Ealing XA Acton, XD Ealing, XS Southall
YE Enfield YE Edmonton, YF Enfield North Cluster, YS Southgate West Cluster, YP Edmonton South Cluster (Formerly Ponders end Cluster)
RG Greenwich RM Eltham, RG Greenwich, RA Plumstead, RT Thamesmead, RK Westcombe Park, RW Woolwich
GD Hackney GH Hackney, GD Shoreditch, GN Stoke Newington
FH Hammersmith & Fulham FF Fulham, FH Hammersmith, FS Shepherds Bush
YR Haringey YR Hornsey, YM Muswell Hill, YA St Ann's, YT Tottenham, YD Wood Green
QA Harrow QE Edgware, QA Harrow, QP Pinner, QW Wealdstone, QS West Street
KD Havering KL Collier Row, KA Harold Hill, KC Hornchurch, KM Rainham, KD Romford, KU Upminster, KH Harold Hill Patrol Base
XH Hillingdon XF Harefield, XY Hayes, XH Hillingdon, XN Northwood, XR Ruislip, XE West Drayton
TX Hounslow TB Brentford, TC Chiswick, TF Feltham, TX Hounslow
NI Islington NH Holloway, NI Islington
BS Kensington & Chelsea BC Chelsea, BD Kensington, BH Notting Hill
VK Kingston upon Thames VK Kingston, VN New Malden, VE/VS† Surbiton
LX Lambeth LD Brixton, LC Cavendish, LN/LM† Clapham, LG Gipsy Hill, LK Kennington, LS Streatham
PL Lewisham PK Brockley, PD Catford, PP Deptford, PL Lewisham, PS Sydenham
VW Merton VM Mitcham, VR Morden, VW Wimbledon
KF Newham KE East Ham, KF Forest Gate, KN North Woolwich, KW/KO† Plaistow, KS Stratford
JI Redbridge JB Barkingside, JI Ilford, JN Wanstead, JF Woodford
TW Richmond Upon Thames TR Richmond, TT Teddington, TW Twickenham
MD Southwark MC Camberwell, MM Peckham, MR Rotherhithe, MD Southwark, MS Walworth
ZT Sutton ZT Sutton, ZW Wallington, ZR Worcester Park
HT Tower Hamlets HW Bow, HT Bethnal Green / Whitechapel, HR Brick Lane, HI Isle of Dogs, HH Limehouse, HP Poplar
JC Waltham Forest JC Chingford, JL Leyton, JS Leytonstone, JW Walthamstow, JK Walthamstow Market, JP Leyton Custody Centre, JA Waltham Abbey (now in Essex)
WW Wandsworth WA Battersea, WL Lavender Hill, WD Tooting, WW/WH Wandsworth (also includes the Putney Sector Office which replaced the previous Putney station which had the code WP †)[3]
CW Westminster AD Belgravia, CX Charing Cross, DP Paddington, CD West End Central, DM Marylebone

† Some authoritative sources (e.g. Police and Constabulary Almanac) are self-contradictory and incomplete.

Not all of these stations are currently operational.

Further to this; letters on shoulders will denote borough and not the police station an officer is based from. An example of this would be a PC working from East Ham police station in the borough of Newham; the PC would have KF (Newham) on their shoulder and not KE (East Ham station).

PNC codes and collar numbers[edit]

When a police officer or a member of staff is in a collaborative (multi-constabulary) unit or department, for example such as Bedfordshire, Cambridgeshire and Hertfordshire Road Policing Unit. To prevent possible cases of the person getting confused with another member of staff, the PNC code, which is a force identification number is added to the collar number to prevent confusion, e.g. 41-9999 for a Hertfordshire officer. Although this is only use in paperwork, and not seen on the officer's epaulettes,

See also[edit]


  1. ^ "Arrêté du 24 décembre 2013 relatif aux conditions et modalités de port du numéro d'identification individuel par les fonctionnaires de la police nationale, les adjoints de sécurité et les réservistes de la police nationale". Journal officiel de la République française (0300): 46. 24 December 2013. Retrieved 2 October 2014. 
  2. ^ "'Maybe he just forgot': Scotland Yard's incredible excuse for police officer being spotted without ID during street protest", Daily Mail (London), 17 April 2009 (includes extract from Metropolitan Police Service's Dress Code, 2005). Retrieved on 30 June 2009.
  3. ^ "Welcome to the Wandsworth Borough Police homepage", Metropolitan Police Service website