The ONS coding system was a hierarchical code used in the
United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
for tabulating
census
A census (from Latin ''censere'', 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given Statistical population, population, usually displayed in the form of stati ...
and other statistical data. ONS refers to the
Office for National Statistics
The Office for National Statistics (ONS; ) is the executive office of the UK Statistics Authority, a non-ministerial department which reports directly to the Parliament of the United Kingdom, UK Parliament.
Overview
The ONS is responsible fo ...
.
It was replaced by the
GSS coding system on 1 January 2011.
Code formulation
Principal authorities
The code was constructed top down from a four character code representing a
unitary authority
A unitary authority is a type of local government, local authority in New Zealand and the United Kingdom. Unitary authorities are responsible for all local government functions within its area or performing additional functions that elsewhere are ...
or two-tier county and district.
Electoral wards and output areas
Local government
wards had a two-letter code within their local authority, and census output area an additional four digits within a ward.
The authority and ward codes were recognised by
Eurostat
Eurostat ("European Statistical Office"; also DG ESTAT) is a department of the European Commission ( Directorate-General), located in the Kirchberg quarter of Luxembourg City, Luxembourg. Eurostat's main responsibilities are to provide statist ...
as
local administrative unit code levels 1 and 2 within the
NUTS system.
Civil parishes
An overlapping system encoded
civil parish areas. Parishes were represented by an additional three digits within their local authority:
List of codes for counties and districts
The codes for counties and districts were as follows.
Also showing
NUTS(3) codes thus:
(UKH12)
Greater London
These codes became active following local government changes in 1986.
*
00AA (UKI11)
City of London
The City of London, also known as ''the City'', is a Ceremonial counties of England, ceremonial county and Districts of England, local government district with City status in the United Kingdom, city status in England. It is the Old town, his ...
*
00AB (UKI21)
Barking and Dagenham
*
00AC (UKI23)
Barnet
*
00AD (UKI21)
Bexley
*
00AE (UKI23)
Brent
*
00AF (UKI22)
Bromley
Bromley is a large town in Greater London, England, within the London Borough of Bromley. It is southeast of Charing Cross, and had an estimated population of 88,000 as of 2023.
Originally part of Kent, Bromley became a market town, charte ...
*
00AG (UKI11)
Camden
*
00AH (UKI22)
Croydon
Croydon is a large town in South London, England, south of Charing Cross. Part of the London Borough of Croydon, a Districts of England, local government district of Greater London; it is one of the largest commercial districts in Greater Lond ...
*
00AJ (UKI23)
Ealing
Ealing () is a district in west London (sub-region), west London, England, west of Charing Cross in the London Borough of Ealing. It is the administrative centre of the borough and is identified as a major metropolitan centre in the London Pl ...
*
00AK (UKI21)
Enfield
*
00AL (UKI21)
Greenwich
*
00AM (UKI12)
Hackney
*
00AN (UKI11)
Hammersmith and Fulham
*
00AP (UKI12)
Haringey
*
00AQ (UKI23)
Harrow
*
00AR (UKI21)
Havering
*
00AS (UKI23)
Hillingdon
*
00AT (UKI23)
Hounslow
Hounslow ( ) is a large suburban district of West London, England, west-southwest of Charing Cross. It is the administrative centre of the London Borough of Hounslow, and is identified in the London Plan as one of the 14 metropolitan cen ...
*
00AU (UKI12)
Islington
Islington ( ) is an inner-city area of north London, England, within the wider London Borough of Islington. It is a mainly residential district of Inner London, extending from Islington's #Islington High Street, High Street to Highbury Fields ...
*
00AW (UKI11)
Kensington and Chelsea
*
00AX (UKI22)
Kingston upon Thames
*
00AY (UKI12)
Lambeth
*
00AZ (UKI12)
Lewisham
*
00BA (UKI22)
Merton
*
00BB (UKI12)
Newham
*
00BC (UKI21)
Redbridge
*
00BD (UKI23)
Richmond upon Thames
*
00BE (UKI12)
Southwark
*
00BF (UKI22)
Sutton
*
00BG (UKI12)
Tower Hamlets
*
00BH (UKI21)
Waltham Forest
*
00BJ (UKI11)
Wandsworth
Wandsworth Town () is a district of south London, within the London Borough of Wandsworth southwest of Charing Cross. The area is identified in the London Plan as one of 35 major centres in Greater London.
Toponymy
Wandsworth takes its name ...
*
00BK (UKI11)
Westminster
Westminster is the main settlement of the City of Westminster in Central London, Central London, England. It extends from the River Thames to Oxford Street and has many famous landmarks, including the Palace of Westminster, Buckingham Palace, ...
Metropolitan counties
These codes became active following local government changes in 1986.
*
Greater Manchester
Greater Manchester is a ceremonial county in North West England. It borders Lancashire to the north, Derbyshire and West Yorkshire to the east, Cheshire to the south, and Merseyside to the west. Its largest settlement is the city of Manchester. ...
districts
**
00BL (UKD32)
Bolton
**
00BM (UKD32)
Bury
**
00BN (UKD31)
Manchester
Manchester () is a city and the metropolitan borough of Greater Manchester, England. It had an estimated population of in . Greater Manchester is the third-most populous metropolitan area in the United Kingdom, with a population of 2.92&nbs ...
**
00BP (UKD32)
Oldham
**
00BQ (UKD32)
Rochdale
**
00BR (UKD31)
Salford
Salford ( ) is a City status in the United Kingdom, city in Greater Manchester, England, on the western bank of the River Irwell which forms its boundary with Manchester city centre. Landmarks include the former Salford Town Hall, town hall, ...
**
00BS (UKD31)
Stockport
Stockport is a town in Greater Manchester, England, south-east of Manchester, south-west of Ashton-under-Lyne and north of Macclesfield. The River Goyt, Rivers Goyt and River Tame, Greater Manchester, Tame merge to create the River Mersey he ...
**
00BT (UKD31)
Tameside
Tameside is a metropolitan borough of Greater Manchester, England, named after the River Tame, Greater Manchester, River Tame, which flows through it, and includes the towns of Ashton-under-Lyne, Audenshaw, Denton, Greater Manchester, Denton, D ...
**
00BU (UKD31)
Trafford
**
00BW (UKD32)
Wigan
*
Merseyside districts
**
00BX (UKD51)
Knowsley
**
00BY (UKD52)
Liverpool
Liverpool is a port City status in the United Kingdom, city and metropolitan borough in Merseyside, England. It is situated on the eastern side of the River Mersey, Mersey Estuary, near the Irish Sea, north-west of London. With a population ...
**
00BZ (UKD51)
St Helens
**
00CA (UKD53)
Sefton
**
00CB (UKD54)
Wirral
*
South Yorkshire districts
**
00CC (UKE31)
Barnsley
Barnsley () is a market town in South Yorkshire, England. It is the main settlement of the Metropolitan Borough of Barnsley and the fourth largest settlement in South Yorkshire. The town's population was 71,422 in 2021, while the wider boroug ...
**
00CE (UKE31)
Doncaster
Doncaster ( ) is a city status in the United Kingdom, city in South Yorkshire, England. Named after the River Don, Yorkshire, River Don, it is the administrative centre of the City of Doncaster metropolitan borough, and is the second largest se ...
**
00CF (UKE31)
Rotherham
**
00CG (UKE32)
Sheffield
Sheffield is a city in South Yorkshire, England, situated south of Leeds and east of Manchester. The city is the administrative centre of the City of Sheffield. It is historically part of the West Riding of Yorkshire and some of its so ...
*
Tyne and Wear
Tyne and Wear () is a Ceremonial counties of England, ceremonial county in North East England. It borders Northumberland to the north and County Durham to the south, and the largest settlement is the city of Newcastle upon Tyne.
The county is ...
districts
**
00CH (UKC22)
Gateshead
**
00CJ (UKC22)
Newcastle-upon-Tyne
Newcastle upon Tyne, or simply Newcastle ( , Received Pronunciation, RP: ), is a City status in the United Kingdom, cathedral city and metropolitan borough in Tyne and Wear, England. It is England's northernmost metropolitan borough, located o ...
**
00CK (UKC22)
North Tyneside
**
00CL (UKC22)
South Tyneside
**
00CM (UKC23)
Sunderland
*
West Midlands districts
**
00CN (UKG31)
Birmingham
Birmingham ( ) is a City status in the United Kingdom, city and metropolitan borough in the metropolitan county of West Midlands (county), West Midlands, within the wider West Midlands (region), West Midlands region, in England. It is the Lis ...
**
00CQ (UKG33)
Coventry
**
00CR (UKG34)
Dudley
Dudley ( , ) is a market town in the West Midlands, England, southeast of Wolverhampton and northwest of Birmingham. Historically part of Worcestershire, the town is the administrative centre of the Metropolitan Borough of Dudley. In the ...
**
00CS (UKG34)
Sandwell
**
00CT (UKG32)
Solihull
**
00CU (UKG35)
Walsall
**
00CW (UKG35)
Wolverhampton
Wolverhampton ( ) is a city and metropolitan borough in the West Midlands (county), West Midlands of England. Located around 12 miles (20 km) north of Birmingham, it forms the northwestern part of the West Midlands conurbation, with the towns of ...
*
West Yorkshire districts
**
00CX (UKE41)
Bradford
Bradford is a city status in the United Kingdom, city in West Yorkshire, England. It became a municipal borough in 1847, received a city charter in 1897 and, since the Local Government Act 1972, 1974 reform, the city status in the United Kingdo ...
**
00CY (UKE43)
Calderdale
**
00CZ (UKE43)
Kirklees
**
00DA (UKE42)
Leeds
Leeds is a city in West Yorkshire, England. It is the largest settlement in Yorkshire and the administrative centre of the City of Leeds Metropolitan Borough, which is the second most populous district in the United Kingdom. It is built aro ...
**
00DB (UKE43)
Wakefield
Non-hierarchical codes for Greater London and metropolitan counties
*
1B
Inner London
*
1C
Outer London
*
2A
Greater Manchester
Greater Manchester is a ceremonial county in North West England. It borders Lancashire to the north, Derbyshire and West Yorkshire to the east, Cheshire to the south, and Merseyside to the west. Its largest settlement is the city of Manchester. ...
*
2B
Merseyside
*
2C
South Yorkshire
*
2D
Tyne and Wear
Tyne and Wear () is a Ceremonial counties of England, ceremonial county in North East England. It borders Northumberland to the north and County Durham to the south, and the largest settlement is the city of Newcastle upon Tyne.
The county is ...
*
2E
West Midlands
*
2F
West Yorkshire
Unitary authorities established in the 1990s
These codes became active following local government changes the 1990s.
*
North East England region
**
00EB (UKC11)
Hartlepool
Hartlepool ( ) is a seaside resort, seaside and port town in County Durham, England. It is governed by a unitary authority borough Borough of Hartlepool, named after the town. The borough is part of the devolved Tees Valley area with an estimat ...
**
00EC (UKC12)
Middlesbrough
**
00EE (UKC12)
Redcar and Cleveland
**
00EF (UKC11)
Stockton-on-Tees
**
00EH (UKC13)
Darlington
*
North West England region
**
00ET (UKD21)
Halton
**
00EU (UKD21)
Warrington
**
00EX (UKD41)
Blackburn with Darwen
**
00EY (UKD42)
Blackpool
Blackpool is a seaside town in Lancashire, England. It is located on the Irish Sea coast of the Fylde peninsula, approximately north of Liverpool and west of Preston, Lancashire, Preston. It is the main settlement in the Borough of Blackpool ...
*
Yorkshire and the Humber region
**
00FA (UKE11)
Kingston upon Hull
Kingston upon Hull, usually shortened to Hull, is a historic maritime city and unitary authorities of England, unitary authority area in the East Riding of Yorkshire, England. It lies upon the River Hull at its confluence with the Humber Est ...
**
00FB (UKE12)
East Riding of Yorkshire
**
00FC (UKE13)
North East Lincolnshire
**
00FD (UKE13)
North Lincolnshire
North Lincolnshire is a Unitary authorities of England, unitary authority area with Borough status in the United Kingdom, borough status in Lincolnshire, England. At the 2011 United Kingdom census, 2011 Census, it had a population of 167,446. T ...
**
00FF (UKE21)
York
York is a cathedral city in North Yorkshire, England, with Roman Britain, Roman origins, sited at the confluence of the rivers River Ouse, Yorkshire, Ouse and River Foss, Foss. It has many historic buildings and other structures, such as a Yor ...
*
East Midlands region
**
00FK (UKF11)
Derby
Derby ( ) is a City status in the United Kingdom, city and Unitary authorities of England, unitary authority area on the River Derwent, Derbyshire, River Derwent in Derbyshire, England. Derbyshire is named after Derby, which was its original co ...
**
00FN (UKF21)
Leicester
**
00FP (UKF22)
Rutland
**
00FY (UKF14)
Nottingham
Nottingham ( , East Midlands English, locally ) is a City status in the United Kingdom, city and Unitary authorities of England, unitary authority area in Nottinghamshire, East Midlands, England. It is located south-east of Sheffield and nor ...
*
West Midlands region
**
00GA (UKG11)
Herefordshire
**
00GF (UKG21)
Telford and Wrekin
**
00GL (UKG23)
Stoke-on-Trent
Stoke-on-Trent (often abbreviated to Stoke) is a city and Unitary authorities of England, unitary authority area in Staffordshire, England. It has an estimated population of 259,965 as of 2022, making it the largest settlement in Staffordshire ...
*
South West England region
**
00HA (UKK12)
Bath and North East Somerset
**
00HB (UKK11)
Bristol
Bristol () is a City status in the United Kingdom, cathedral city, unitary authority area and ceremonial county in South West England, the most populous city in the region. Built around the River Avon, Bristol, River Avon, it is bordered by t ...
**
00HC (UKK12)
North Somerset
North Somerset is a unitary authorities of England, unitary authority in the ceremonial county of Somerset, England. The council is based in Weston-super-Mare, the area's largest town. The district also contains the towns of Clevedon, Nailsea ...
**
00HD (UKK12)
South Gloucestershire
**
00HG (UKK41)
Plymouth
Plymouth ( ) is a port city status in the United Kingdom, city and unitary authority in Devon, South West England. It is located on Devon's south coast between the rivers River Plym, Plym and River Tamar, Tamar, about southwest of Exeter and ...
**
00HH (UKK42)
Torbay
**
00HN (UKK21)
Bournemouth
**
00HP (UKK21)
Poole
**
00HX (UKK14)
Swindon
*
East of England
East is one of the four cardinal directions or points of the compass. It is the opposite direction from west and is the direction from which the Sunrise, Sun rises on the Earth.
Etymology
As in other languages, the word is formed from the fact ...
region
**
00JA (UKH11)
Peterborough
**
00KA (UKH21)
Luton
**
00KF (UKH31)
Southend-on-Sea
**
00KG (UKH32)
Thurrock
*
South East England region
**
00LC (UKJ41)
Medway
**
00MA (UKJ11)
Bracknell Forest
**
00MB (UKJ11)
West Berkshire
**
00MC (UKJ11)
Reading
**
00MD (UKJ11)
Slough
**
00ME (UKJ11)
Windsor and Maidenhead
**
00MF (UKJ11)
Wokingham
**
00MG (UKJ12)
Milton Keynes
**
00ML (UKJ21)
Brighton and Hove
**
00MR (UKJ31)
Portsmouth
**
00MS (UKJ32)
Southampton
**
00MW (UKJ34)
Isle of Wight
The Isle of Wight (Help:IPA/English, /waɪt/ Help:Pronunciation respelling key, ''WYTE'') is an island off the south coast of England which, together with its surrounding uninhabited islets and Skerry, skerries, is also a ceremonial county. T ...
Unitary authorities established in 2009
These codes became active following local government changes in 2009.
*
00KB
Bedford
*
00KC
Central Bedfordshire
*
00EQ
Cheshire East
*
00EW
Cheshire West and Chester
*
00HE
Cornwall
*
00HF
Isles of Scilly
*
00EJ
County Durham
*
00EM
Northumberland
*
00GG
Shropshire
*
00HY
Wiltshire
Non-metropolitan counties
*
08
Avon
**
08UB
Bath
**
08UC
Bristol
Bristol () is a City status in the United Kingdom, cathedral city, unitary authority area and ceremonial county in South West England, the most populous city in the region. Built around the River Avon, Bristol, River Avon, it is bordered by t ...
**
08UD
Kingswood
**
08UE
Northavon
**
08UF
Wansdyke
**
08UG
Woodspring
*
09 (UKH22)
Bedfordshire
Bedfordshire (; abbreviated ''Beds'') is a Ceremonial County, ceremonial county in the East of England. It is bordered by Northamptonshire to the north, Cambridgeshire to the north-east, Hertfordshire to the south and the south-east, and Buckin ...
**
09UB
Luton
**
09UC
Mid Bedfordshire
**
09UD
Bedford
Bedford is a market town in Bedfordshire, England. At the 2011 Census, the population was 106,940. Bedford is the county town of Bedfordshire and seat of the Borough of Bedford local government district.
Bedford was founded at a ford (crossin ...
**
09UE
South Bedfordshire
*
10
Berkshire
Berkshire ( ; abbreviated ), officially the Royal County of Berkshire, is a Ceremonial counties of England, ceremonial county in South East England. It is bordered by Oxfordshire to the north, Buckinghamshire to the north-east, Greater London ...
**
10UB
Bracknell Forest
**
10UC
Newbury
**
10UD
Reading
**
10UE
Slough
**
10UF
Windsor and Maidenhead
**
10UG
Wokingham
*
11 (UKJ13)
Buckinghamshire
Buckinghamshire (, abbreviated ''Bucks'') is a Ceremonial counties of England, ceremonial county in South East England and one of the home counties. It is bordered by Northamptonshire to the north, Bedfordshire to the north-east, Hertfordshir ...
**
11UB
Aylesbury Vale
**
11UC
Chiltern
**
11UD
Milton Keynes
**
11UE
South Bucks
**
11UF
Wycombe
*
12 (UKH12)
Cambridgeshire
Cambridgeshire (abbreviated Cambs.) is a Ceremonial counties of England, ceremonial county in the East of England and East Anglia. It is bordered by Lincolnshire to the north, Norfolk to the north-east, Suffolk to the east, Essex and Hertfor ...
**
12UB
Cambridge
Cambridge ( ) is a List of cities in the United Kingdom, city and non-metropolitan district in the county of Cambridgeshire, England. It is the county town of Cambridgeshire and is located on the River Cam, north of London. As of the 2021 Unit ...
**
12UC
East Cambridgeshire
**
12UD
Fenland
**
12UE
Huntingdonshire
**
12UF
Peterborough
**
12UG
South Cambridgeshire
*
13 (UKD22)
Cheshire
Cheshire ( ) is a Ceremonial counties of England, ceremonial county in North West England. It is bordered by Merseyside to the north-west, Greater Manchester to the north-east, Derbyshire to the east, Staffordshire to the south-east, and Shrop ...
**
13UB
Chester
**
13UC
Congleton
**
13UD
Crewe and Nantwich
**
13UE
Ellesmere Port and Neston
**
13UF
Halton
**
13UG
Macclesfield
Macclesfield () is a market town and civil parish in the unitary authority of Cheshire East, Cheshire, England. It is sited on the River Bollin and the edge of the Cheshire Plain, with Macclesfield Forest to its east; the town lies south of Ma ...
**
13UH
Vale Royal
**
13UJ
Warrington
*
14
Cleveland
Cleveland is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located along the southern shore of Lake Erie, it is situated across the Canada–U.S. maritime border and approximately west of the Ohio-Pennsylvania st ...
**
14UB
Hartlepool
Hartlepool ( ) is a seaside resort, seaside and port town in County Durham, England. It is governed by a unitary authority borough Borough of Hartlepool, named after the town. The borough is part of the devolved Tees Valley area with an estimat ...
**
14UC
Langbaurgh-on-Tees
**
14UD
Middlesbrough
**
14UE
Stockton-on-Tees
*
15 (UKK30)
Cornwall
Cornwall (; or ) is a Ceremonial counties of England, ceremonial county in South West England. It is also one of the Celtic nations and the homeland of the Cornish people. The county is bordered by the Atlantic Ocean to the north and west, ...
and
Scilly
**
15UB
Caradon
**
15UC
Carrick
**
15UD
Kerrier
**
15UE
North Cornwall
**
15UF
Penwith
**
15UG
Restormel
**
15UH
Isles of Scilly
*
16
Cumbria
**
16UB (UKD11)
Allerdale
**
16UC (UKD11)
Barrow-in-Furness
**
16UD (UKD12)
Carlisle
**
16UE (UKD11)
Copeland
**
16UF (UKD12)
Eden
**
16UG (UKD12)
South Lakeland
*
17
Derbyshire
**
17UB (UKF13)
Amber Valley
**
17UC (UKF12)
Bolsover
**
17UD (UKF12)
Chesterfield
**
17UE
Derby
Derby ( ) is a City status in the United Kingdom, city and Unitary authorities of England, unitary authority area on the River Derwent, Derbyshire, River Derwent in Derbyshire, England. Derbyshire is named after Derby, which was its original co ...
**
17UF (UKF13)
Derbyshire Dales
**
17UG (UKF13)
Erewash
**
17UH (UKF13)
High Peak
**
17UJ (UKF12)
North East Derbyshire
**
17UK (UKF13)
South Derbyshire
South Derbyshire is a Non-metropolitan district, local government district in Derbyshire, England. The district covers the towns of Melbourne, Derbyshire, Melbourne and Swadlincote as well as numerous villages and hamlets such as Hilton, Derbys ...
*
18 (UKK43)
Devon
Devon ( ; historically also known as Devonshire , ) is a ceremonial county in South West England. It is bordered by the Bristol Channel to the north, Somerset and Dorset to the east, the English Channel to the south, and Cornwall to the west ...
**
18UB
East Devon
**
18UC
Exeter
**
18UD
Mid Devon
Mid Devon is a local government district in Devon
Devon ( ; historically also known as Devonshire , ) is a ceremonial county in South West England. It is bordered by the Bristol Channel to the north, Somerset and Dorset to the east, t ...
**
18UE
North Devon
North Devon is a Non-metropolitan district, local government district in Devon, England. Its council is based just outside Barnstaple, the district's largest town. The district also includes the towns of Ilfracombe, Lynton and Lynmouth and Sout ...
**
19UF
Plymouth
Plymouth ( ) is a port city status in the United Kingdom, city and unitary authority in Devon, South West England. It is located on Devon's south coast between the rivers River Plym, Plym and River Tamar, Tamar, about southwest of Exeter and ...
**
18UG
South Hams
**
18UH
Teignbridge
**
19UJ
Torbay
**
18UK
Torridge
**
18UL
West Devon
*
19 (UKK22)
Dorset
Dorset ( ; Archaism, archaically: Dorsetshire , ) is a Ceremonial counties of England, ceremonial county in South West England. It is bordered by Somerset to the north-west, Wiltshire to the north and the north-east, Hampshire to the east, t ...
**
19UB
Bournemouth
**
19UC
Christchurch
**
19UD
East Dorset
**
19UE
North Dorset
**
19UF
Poole
**
19UG
Purbeck
**
19UH
West Dorset
**
19UJ
Weymouth and Portland
*
20 (UKC14)
County Durham
**
20UB
Chester-le-Street
**
20UC
Darlington
**
20UD
Derwentside
**
20UE
Durham
**
20UF
Easington
**
20UG
Sedgefield
**
20UH
Teesdale
**
20UJ
Wear Valley
*
21 (UKJ22)
East Sussex
**
21UB
Brighton
Brighton ( ) is a seaside resort in the city status in the United Kingdom, city of Brighton and Hove, East Sussex, England, south of London.
Archaeological evidence of settlement in the area dates back to the Bronze Age Britain, Bronze Age, R ...
**
21UC
Eastbourne
**
21UD
Hastings
Hastings ( ) is a seaside town and Borough status in the United Kingdom, borough in East Sussex on the south coast of England,
east of Lewes and south east of London. The town gives its name to the Battle of Hastings, which took place to th ...
**
21UE
Hove
**
21UF
Lewes
**
21UG
Rother
**
21UH
Wealden
*
22 (UKH33)
Essex
Essex ( ) is a Ceremonial counties of England, ceremonial county in the East of England, and one of the home counties. It is bordered by Cambridgeshire and Suffolk to the north, the North Sea to the east, Kent across the Thames Estuary to the ...
**
22UB
Basildon
**
22UC
Braintree
**
22UD
Brentwood
**
22UE
Castle Point
**
22UF
Chelmsford
**
22UG
Colchester
Colchester ( ) is a city in northeastern Essex, England. It is the second-largest settlement in the county, with a population of 130,245 at the 2021 United Kingdom census, 2021 Census. The demonym is ''Colcestrian''.
Colchester occupies the ...
**
22UH
Epping Forest
**
22UJ
Harlow
Harlow is a town and local government district located in the west of Essex, England. Founded as a Planned community, new town in 1947, it is situated on the border with Hertfordshire, and occupies a large area of land on the south bank of the ...
**
22UK
Maldon
Maldon (, locally ) is a town and civil parish on the Blackwater Estuary in Essex, England. It is the seat of the Maldon District and starting point of the Chelmer and Blackwater Navigation. It is known for Maldon Sea Salt which is prod ...
**
22UL
Rochford
**
22UM
Southend-on-Sea
**
22UN
Tendring
**
22UP
Thurrock
**
22UQ
Uttlesford
*
23 (UKK13)
Gloucestershire
**
23UB
Cheltenham
Cheltenham () is a historic spa town and borough adjacent to the Cotswolds in Gloucestershire, England. Cheltenham became known as a health and holiday spa town resort following the discovery of mineral springs in 1716, and claims to be the mo ...
**
23UC
Cotswold
**
23UD
Forest of Dean
**
23UE
Gloucester
**
23UF
Stroud
**
23UG
Tewkesbury
*
24 (UKJ33)
Hampshire
Hampshire (, ; abbreviated to Hants.) is a Ceremonial counties of England, ceremonial county in South East England. It is bordered by Berkshire to the north, Surrey and West Sussex to the east, the Isle of Wight across the Solent to the south, ...
**
24UB
Basingstoke and Deane
**
24UC
East Hampshire
**
24UD
Eastleigh
**
24UE
Fareham
Fareham ( ) is a market town at the north-west tip of Portsmouth Harbour, between the cities of Portsmouth and Southampton in south east Hampshire, England. It gives its name to the Borough of Fareham. It was historically an important manufac ...
**
24UF
Gosport
**
24UG
Hart
**
24UH
Havant
**
24UJ
New Forest
**
24UK
Portsmouth
**
24UL
Rushmoor
**
24UM
Southampton
**
24UN
Test Valley
**
24UP
Winchester
*
25
Hereford and Worcester
**
25UB
Bromsgrove
**
25UC
Hereford
**
25UD
Leominster
**
25UE
Malvern Hills
**
25UF
Redditch
**
25UG
South Herefordshire
**
25UH
Worcester
**
25UJ
Wyre Forest
**
25UK
Wychavon
Wychavon () is a local government district in Worcestershire, England. The largest towns therein are Evesham and Droitwich Spa; the council is based in the town of Pershore. The district also includes numerous villages and surrounding rural ...
*
26 (UKH23)
Hertfordshire
**
26UB
Broxbourne
**
26UC
Dacorum
**
26UD
East Hertfordshire
**
26UE
Hertsmere
**
26UF
North Hertfordshire
**
26UG
St Albans
**
26UH
Stevenage
**
26UJ
Three Rivers
**
26UK
Watford
**
26UL
Welwyn Hatfield
*
27
Humberside
**
27UB
Boothferry
**
27UC
Cleethorpes
**
27UD
East Yorkshire
**
27UE
Beverley
**
27UF
Glanford
**
27UG
Holderness
**
27UH
Great Grimsby
**
27UJ
Kingston upon Hull
Kingston upon Hull, usually shortened to Hull, is a historic maritime city and unitary authorities of England, unitary authority area in the East Riding of Yorkshire, England. It lies upon the River Hull at its confluence with the Humber Est ...
**
27UK
Scunthorpe
Scunthorpe () is an industrial town in Lincolnshire, England, and the county's third most populous settlement after Lincoln, England, Lincoln and Grimsby, with a population of 81,286 in 2021. It is the administrative centre and largest settleme ...
*
28
Isle of Wight
The Isle of Wight (Help:IPA/English, /waɪt/ Help:Pronunciation respelling key, ''WYTE'') is an island off the south coast of England which, together with its surrounding uninhabited islets and Skerry, skerries, is also a ceremonial county. T ...
county
**
28UB
Medina
**
28UC
South Wight
*
29 (UKJ42)
Kent
**
29UB
Ashford
**
29UC
Canterbury
Canterbury (, ) is a City status in the United Kingdom, city and UNESCO World Heritage Site, in the county of Kent, England; it was a county borough until 1974. It lies on the River Stour, Kent, River Stour. The city has a mild oceanic climat ...
**
29UD
Dartford
Dartford is the principal town in the Borough of Dartford, Kent, England. It is located south-east of Central London and
is situated adjacent to the London Borough of Bexley to its west. To its north, across the Thames Estuary, is Thurrock in ...
**
29UE
Dover
**
29UF
Gillingham
**
29UG
Gravesham
**
29UH
Maidstone
Maidstone is the largest Town status in the United Kingdom, town in Kent, England, of which it is the county town. Maidstone is historically important and lies east-south-east of London. The River Medway runs through the centre of the town, l ...
**
29UJ
Rochester upon Medway
**
29UK
Sevenoaks
**
29UL
Shepway
**
29UM
Swale
**
29UN
Thanet
**
29UP
Tonbridge and Malling
**
29UQ
Tunbridge Wells
*
30 (UKD43)
Lancashire
Lancashire ( , ; abbreviated ''Lancs'') is a ceremonial county in North West England. It is bordered by Cumbria to the north, North Yorkshire and West Yorkshire to the east, Greater Manchester and Merseyside to the south, and the Irish Sea to ...
**
30UB
Blackburn
**
30UC
Blackpool
Blackpool is a seaside town in Lancashire, England. It is located on the Irish Sea coast of the Fylde peninsula, approximately north of Liverpool and west of Preston, Lancashire, Preston. It is the main settlement in the Borough of Blackpool ...
**
30UD
Burnley
**
30UE
Chorley
Chorley is a town and the administrative centre of the wider Borough of Chorley in Lancashire, England, north of Wigan, south west of Blackburn, north west of Bolton, south of Preston and north west of Manchester. The town's wealth ca ...
**
30UF
Fylde
**
30UG
Hyndburn
**
30UH
Lancaster
**
30UJ
Pendle
**
30UK
Preston
**
30UL
Ribble Valley
**
30UM
Rossendale
**
30UN
South Ribble
**
30UP
West Lancashire
**
30UQ
Wyre
*
31 (UKF22)
Leicestershire
Leicestershire ( ) is a Ceremonial counties of England, ceremonial county in the East Midlands of England. It is bordered by Derbyshire, Nottinghamshire and Lincolnshire to the north, Rutland to the east, Northamptonshire to the south-east, Warw ...
**
31UB
Blaby
**
31UC
Charnwood
**
31UD
Harborough
**
31UE
Hinckley and Bosworth
**
31UF
Leicester
**
31UG
Melton
**
31UH
North West Leicestershire
**
31UJ
Oadby and Wigston
**
31UK
Rutland
*
32 (UKF30)
Lincolnshire
Lincolnshire (), abbreviated ''Lincs'', is a Ceremonial counties of England, ceremonial county in the East Midlands and Yorkshire and the Humber regions of England. It is bordered by the East Riding of Yorkshire across the Humber estuary to th ...
**
32UB
Boston
Boston is the capital and most populous city in the Commonwealth (U.S. state), Commonwealth of Massachusetts in the United States. The city serves as the cultural and Financial centre, financial center of New England, a region of the Northeas ...
**
32UC
East Lindsey
**
32UD
Lincoln
**
32UE
North Kesteven
**
32UF
South Holland
**
32UG
South Kesteven
**
32UH
West Lindsey
*
33 (UKH13)
Norfolk
Norfolk ( ) is a Ceremonial counties of England, ceremonial county in England, located in East Anglia and officially part of the East of England region. It borders Lincolnshire and The Wash to the north-west, the North Sea to the north and eas ...
**
33UB
Breckland
**
33UC
Broadland
**
33UD
Great Yarmouth
**
33UE
King's Lynn and West Norfolk
**
33UF
North Norfolk
**
33UG
Norwich
Norwich () is a cathedral city and district of the county of Norfolk, England, of which it is the county town. It lies by the River Wensum, about north-east of London, north of Ipswich and east of Peterborough. The population of the Norwich ...
**
33UH
South Norfolk
*
34 (UKF23)
Northamptonshire
**
34UB
Corby
**
34UC
Daventry
**
34UD
East Northamptonshire
**
34UE
Kettering
**
34UF
Northampton
**
34UG
South Northamptonshire
**
34UH
Wellingborough
*
35 (UKC21)
Northumberland
**
35UB
Alnwick
Alnwick ( ) is a market town in Northumberland, England, of which it is the traditional county town. The population at the 2011 Census was 8,116.
The town is south of Berwick-upon-Tweed and the Scottish border, inland from the North Sea ...
**
35UC
Berwick-upon-Tweed
**
35UD
Blyth Valley
**
35UE
Castle Morpeth
**
35UF
Tynedale
**
35UG
Wansbeck
*
36 (UKE22)
North Yorkshire
North Yorkshire is a Ceremonial counties of England, ceremonial county in Northern England.The Unitary authorities of England, unitary authority areas of City of York, York and North Yorkshire (district), North Yorkshire are in Yorkshire and t ...
**
36UB
Craven
**
36UC
Hambleton
**
36UD
Harrogate
Harrogate ( ) is a spa town and civil parish in the North Yorkshire District, district and North Yorkshire, county of North Yorkshire, England. Historic counties of England, Historically in the West Riding of Yorkshire, the town is a tourist de ...
**
36UE
Richmondshire
**
36UF
Ryedale
**
36UG
Scarborough
**
36UH
Selby
**
36UJ
York
York is a cathedral city in North Yorkshire, England, with Roman Britain, Roman origins, sited at the confluence of the rivers River Ouse, Yorkshire, Ouse and River Foss, Foss. It has many historic buildings and other structures, such as a Yor ...
*
37
Nottinghamshire
Nottinghamshire (; abbreviated ''Notts.'') is a ceremonial county in the East Midlands of England. The county is bordered by South Yorkshire to the north-west, Lincolnshire to the east, Leicestershire to the south, and Derbyshire to the west. Th ...
**
37UB (UKF15)
Ashfield
**
37UC (UKF15)
Bassetlaw
**
37UD (UKF16)
Broxtowe
**
37UE (UKF16)
Gedling
**
37UF (UKF15)
Mansfield
**
37UG (UKF15)
Newark and Sherwood
**
37UH
Nottingham
Nottingham ( , East Midlands English, locally ) is a City status in the United Kingdom, city and Unitary authorities of England, unitary authority area in Nottinghamshire, East Midlands, England. It is located south-east of Sheffield and nor ...
**
37UJ (UKF16)
Rushcliffe
*
38 (UKJ14)
Oxfordshire
Oxfordshire ( ; abbreviated ''Oxon'') is a ceremonial county in South East England. The county is bordered by Northamptonshire and Warwickshire to the north, Buckinghamshire to the east, Berkshire to the south, and Wiltshire and Glouceste ...
**
38UB
Cherwell
**
38UC
Oxford
Oxford () is a City status in the United Kingdom, cathedral city and non-metropolitan district in Oxfordshire, England, of which it is the county town.
The city is home to the University of Oxford, the List of oldest universities in continuou ...
**
38UD
South Oxfordshire
**
38UE
Vale of White Horse
**
38UF
West Oxfordshire
*
39 (UKG22)
Shropshire
**
39UB
Bridgnorth
Bridgnorth is a market town and civil parish in Shropshire, England. The River Severn splits it into High Town and Low Town, the upper town on the right bank and the lower on the left bank of the River Severn. The population at the United Kingd ...
**
39UC
North Shropshire
**
39UD
Oswestry
**
39UE
Shrewsbury and Atcham
**
39UF
South Shropshire
**
39UG
The Wrekin
*
40 (UKK23)
Somerset
Somerset ( , ), Archaism, archaically Somersetshire ( , , ) is a Ceremonial counties of England, ceremonial county in South West England. It is bordered by the Bristol Channel, Gloucestershire, and Bristol to the north, Wiltshire to the east ...
**
40UB
Mendip
**
40UC
Sedgemoor
**
40UD
South Somerset
**
40UE
Taunton Deane
**
40UF
West Somerset
*
41 (UKG24)
Staffordshire
**
41UB
Cannock Chase
**
41UC
East Staffordshire
**
41UD
Lichfield
**
41UE
Newcastle-under-Lyme
Newcastle-under-Lyme is a market town and the administrative centre of the Borough of Newcastle-under-Lyme in Staffordshire, England. It is adjacent to the city of Stoke-on-Trent. At the 2021 United Kingdom census, 2021 census, the population ...
**
41UF
South Staffordshire
**
41UG
Stafford
**
41UH
Staffordshire Moorlands
**
41UJ
Stoke-on-Trent
Stoke-on-Trent (often abbreviated to Stoke) is a city and Unitary authorities of England, unitary authority area in Staffordshire, England. It has an estimated population of 259,965 as of 2022, making it the largest settlement in Staffordshire ...
**
41UK
Tamworth
*
42 (UKH14)
Suffolk
Suffolk ( ) is a ceremonial county in the East of England and East Anglia. It is bordered by Norfolk to the north, the North Sea to the east, Essex to the south, and Cambridgeshire to the west. Ipswich is the largest settlement and the county ...
**
42UB
Babergh
**
42UC
Forest Heath
**
42UD
Ipswich
Ipswich () is a port town and Borough status in the United Kingdom, borough in Suffolk, England. It is the county town, and largest in Suffolk, followed by Lowestoft and Bury St Edmunds, and the third-largest population centre in East Anglia, ...
**
42UE
Mid Suffolk
**
42UF
St. Edmundsbury
**
42UG
Suffolk Coastal
**
42UH
Waveney
*
43 (UKJ23)
Surrey
Surrey () is a Ceremonial counties of England, ceremonial county in South East England. It is bordered by Greater London to the northeast, Kent to the east, East Sussex, East and West Sussex to the south, and Hampshire and Berkshire to the wes ...
**
43UB
Elmbridge
**
43UC
Epsom and Ewell
**
43UD
Guildford
Guildford () is a town in west Surrey, England, around south-west of central London. As of the 2011 census, the town has a population of about 77,000 and is the seat of the wider Borough of Guildford, which had around inhabitants in . The nam ...
**
43UE
Mole Valley
**
43UF
Reigate and Banstead
**
43UG
Runnymede
**
43UH
Spelthorne
**
43UJ
Surrey Heath
**
43UK
Tandridge
**
43UL
Waverley
**
43UM
Woking
*
44 (UKG13)
Warwickshire
Warwickshire (; abbreviated Warks) is a Ceremonial counties of England, ceremonial county in the West Midlands (region), West Midlands of England. It is bordered by Staffordshire and Leicestershire to the north, Northamptonshire to the east, Ox ...
**
44UB
North Warwickshire
**
44UC
Nuneaton and Bedworth
**
44UD
Rugby
**
44UE
Stratford-on-Avon
**
44UF
Warwick
*
45 (UKJ24)
West Sussex
**
45UB
Adur
**
45UC
Arun
**
45UD
Chichester
**
45UE
Crawley
**
45UF
Horsham
Horsham () is a market town on the upper reaches of the River Arun on the fringe of the Weald in West Sussex, England. The town is south south-west of London, north-west of Brighton and north-east of the county town of Chichester. Nearby to ...
**
45UG
Mid Sussex
**
45UH
Worthing
*
46 (UKK15)
Wiltshire
**
46UB
Kennet
**
46UC
North Wiltshire
**
46UD
Salisbury
Salisbury ( , ) is a city status in the United Kingdom, cathedral city and civil parish in Wiltshire, England with a population of 41,820, at the confluence of the rivers River Avon, Hampshire, Avon, River Nadder, Nadder and River Bourne, Wi ...
**
46UE
Thamesdown
**
46UF
West Wiltshire
*
47 (UKG12)
Worcestershire
Worcestershire ( , ; written abbreviation: Worcs) is a Ceremonial counties of England, ceremonial county in the West Midlands (region), West Midlands of England. It is bordered by Shropshire, Staffordshire, and the West Midlands (county), West ...
**
47UB
Bromsgrove
**
47UC
Malvern Hills
**
47UD
Redditch
**
47UE
Worcester
**
47UF
Wychavon
Wychavon () is a local government district in Worcestershire, England. The largest towns therein are Evesham and Droitwich Spa; the council is based in the town of Pershore. The district also includes numerous villages and surrounding rural ...
**
47UG
Wyre Forest
Wales
These codes became active following local government changes in 1996.
*
00NA (UKL11)
Isle of Anglesey
Anglesey ( ; ) is an island off the north-west coast of Wales. It forms the bulk of the Principal areas of Wales, county known as the Isle of Anglesey, which also includes Holy Island, Anglesey, Holy Island () and some islets and Skerry, sker ...
*
00NC (UKL12)
Gwynedd
*
00NE (UKL13)
Conwy
*
00NG (UKL13)
Denbighshire
*
00NJ (UKL23)
Flintshire
*
00NL (UKL23)
Wrexham
*
00NN (UKL24)
Powys
*
00NQ (UKL14)
Ceredigion
Ceredigion (), historically Cardiganshire (, ), is a Principal areas of Wales, county in the West Wales, west of Wales. It borders Gwynedd across the River Dyfi, Dyfi estuary to the north, Powys to the east, Carmarthenshire and Pembrokeshire t ...
*
00NS (UKL14)
Pembrokeshire
Pembrokeshire ( ; ) is a Principal areas of Wales, county in the South West Wales, south-west of Wales. It is bordered by Carmarthenshire to the east, Ceredigion to the northeast, and otherwise by the sea. Haverfordwest is the largest town and ...
*
00NU (UKL14)
Carmarthenshire
Carmarthenshire (; or informally ') is a Principal areas of Wales, county in the South West Wales, south-west of Wales. The three largest towns are Llanelli, Carmarthen and Ammanford. Carmarthen is the county town and administrative centre. ...
*
00NX (UKL18)
Swansea
Swansea ( ; ) is a coastal City status in the United Kingdom, city and the List of urban areas in the United Kingdom, second-largest city of Wales. It forms a Principal areas of Wales, principal area, officially known as the City and County of ...
*
00NZ (UKL17)
Neath Port Talbot
*
00PB (UKL17)
Bridgend
*
00PD (UKL22)
Vale of Glamorgan
*
00PF (UKL15)
Rhondda Cynon Taff
*
00PH (UKL15)
Merthyr Tydfil
Merthyr Tydfil () is the main town in Merthyr Tydfil County Borough, Wales, administered by Merthyr Tydfil County Borough Council. It is about north of Cardiff. Often called just Merthyr, it is said to be named after Tydfil, daughter of K ...
*
00PK (UKL16)
Caerphilly
*
00PL (UKL16)
Blaenau Gwent
Blaenau Gwent (; ) is a Principal areas of Wales, county borough in the South East Wales, south-east of Wales. It borders the Local government in Wales, unitary authority areas of Monmouthshire and Torfaen to the east, Caerphilly County Borough ...
*
00PM (UKL16)
Torfaen
*
00PP (UKL21)
Monmouthshire
Monmouthshire ( ; ) is a Principal areas of Wales, county in the South East Wales, south east of Wales. It borders Powys to the north; the English counties of Herefordshire and Gloucestershire to the north and east; the Severn Estuary to the s ...
*
00PR (UKL21)
Newport
*
00PT (UKL22)
Cardiff
Scotland
These codes became active following local government changes in 1996.
*
00QA (UKM10)
Aberdeen
*
00QB (UKM10)
Aberdeenshire
*
00QC (UKM21)
Angus
*
00QD (UKM31/43)
Argyll and Bute
*
00QE (UKM24)
Scottish Borders
*
00QF (UKM22)
Clackmannanshire
*
00QG (UKM31)
West Dunbartonshire
*
00QH (UKM32)
Dumfries and Galloway
*
00QJ (UKM21)
Dundee
*
00QK (UKM33)
East Ayrshire
East Ayrshire (; ) is one of 32 unitary council areas of Scotland. It shares borders with Dumfries and Galloway, East Renfrewshire, North Ayrshire, South Ayrshire and South Lanarkshire. The headquarters of the council are located on London Roa ...
*
00QL (UKM31)
East Dunbartonshire
*
00QM (UKM23)
East Lothian
*
00QN (UKM35)
East Renfrewshire
*
00QP (UKM25)
Edinburgh
Edinburgh is the capital city of Scotland and one of its 32 Council areas of Scotland, council areas. The city is located in southeast Scotland and is bounded to the north by the Firth of Forth and to the south by the Pentland Hills. Edinburgh ...
*
00QQ (UKM26)
Falkirk
Falkirk ( ; ; ) is a town in the Central Lowlands of Scotland, historically within the county of Stirlingshire. It lies in the Forth Valley, northwest of Edinburgh and northeast of Glasgow.
Falkirk had a resident population of 32,422 at the ...
*
00QR (UKM22)
Fife
Fife ( , ; ; ) is a council areas of Scotland, council area and lieutenancy areas of Scotland, lieutenancy area in Scotland. A peninsula, it is bordered by the Firth of Tay to the north, the North Sea to the east, the Firth of Forth to the s ...
*
00QS (UKM34)
Glasgow
Glasgow is the Cities of Scotland, most populous city in Scotland, located on the banks of the River Clyde in Strathclyde, west central Scotland. It is the List of cities in the United Kingdom, third-most-populous city in the United Kingdom ...
*
00QT (UKM41/42/43)
Highland
Highlands or uplands are areas of high elevation such as a mountainous region, elevated mountainous plateau or high hills. Generally, ''upland'' refers to a range of hills, typically from up to , while ''highland'' is usually reserved for range ...
*
00QU (UKM35)
Inverclyde
*
00QW (UKM23)
Midlothian
*
00QX (UKM10/42)
Moray
*
00QY (UKM33/43)
North Ayrshire
*
00QZ (UKM36)
North Lanarkshire
*
00RA (UKM45)
Orkney Islands
*
00RB (UKM27)
Perth and Kinross
Perth and Kinross (; ) is one of the 32 council areas of Scotland, and a Lieutenancy areas of Scotland, lieutenancy area. It is bordered by Highland (council area), Highland and Aberdeenshire to the north, Angus, Scotland, Angus, Dundee, and F ...
*
00RC (UKM35)
Renfrewshire
*
00RD (UKM46)
Shetland Islands
*
00RE (UKM37)
South Ayrshire
*
00RF (UKM38)
South Lanarkshire
*
00RG (UKM27)
Stirling
Stirling (; ; ) is a City status in the United Kingdom, city in Central Belt, central Scotland, northeast of Glasgow and north-west of Edinburgh. The market town#Scotland, market town, surrounded by rich farmland, grew up connecting the roya ...
*
00RH (UKM28)
West Lothian
*
00RJ (UKM44)
Eilean Siar (Western Isles)
Northern Ireland
*
95A (UKN04)
Derry
*
95B (UKN04)
Limavady
*
95C (UKN04)
Coleraine
*
95D (UKN04)
Ballymoney
*
95E (UKN04)
Moyle
*
95F (UKN03)
Larne
*
95G (UKN03)
Ballymena
*
95H (UKN05)
Magherafelt
*
95I (UKN05)
Cookstown
*
95J (UKN04)
Strabane
*
95K (UKN05)
Omagh
*
95L (UKN05)
Fermanagh
*
95M (UKN05)
Dungannon and South Tyrone
*
95N (UKN03)
Craigavon
*
95O (UKN05)
Armagh
*
95P (UKN05)
Newry and Mourne
*
95Q (UKN03)
Banbridge
*
95R (UKN03)
Down
*
95S (UKN02)
Lisburn
*
95T (UKN03)
Antrim
*
95U (UKN02)
Newtownabbey
*
95V (UKN02)
Carrickfergus
*
95W (UKN02)
North Down
*
95X (UKN03)
Ards
*
95Y (UKN02)
Castlereagh
*
95Z (UKN01)
Belfast
Belfast (, , , ; from ) is the capital city and principal port of Northern Ireland, standing on the banks of the River Lagan and connected to the open sea through Belfast Lough and the North Channel (Great Britain and Ireland), North Channel ...
References
{{Reflist
External links
ONS Beginners' Guide to UK Geography
Geocodes
Office for National Statistics
2011 disestablishments in the United Kingdom