Postal Code Finder
Geographic Directory / United Kingdom

United Kingdom Address Code Directory

Access a structured directory of 27,450 geocoded location entries. Navigate the complete hierarchy of United Kingdom divisions to obtain routing identifiers and geographic coordinates.

Search geographic directory

🔍

Navigate & Browse Geographic Distributions

How to use: Click on any marker to explore the detailed registry for that specific region. Data points represent geometric centroids of local areas.

Understanding address formats in United Kingdom

Format Alphanumeric
Example SW1A 1AA
Logic Postcode units represent a small group of addresses.

Our dataset mapping is based on current coverage and periodic updates from geocoded repositories. Routing boundaries represent spatial centroids for territorial sectors.

Primary Regional Divisions

Explore the top-level territorial jurisdictions of United Kingdom. Each region manages a collection of provinces and local districts with unique routing identifiers.

Highland Devon Greater London North Yorkshire Lincolnshire Norfolk Aberdeenshire Argyll and Bute Somerset Cornwall Kent Shropshire Cumbria Essex Hampshire View all regions →

High-Density Hubs

Explore Regional Subdivisions

Aberdeen City
6
Aberdeenshire
729
Angus
242
Argyll and Bute
693
Bedfordshire
180
Belfast
1
Belfast Greater
55
Berkshire
222
Blaenau Gwent
1
Bridgend
46
Buckinghamshire
303
Caerphilly
19
Cambridgeshire
384
Cardiff
8
Carmarthenshire
246
Ceredigion
175
Channel Islands
2
Cheshire
385
City of Edinburgh
38
Clackmannanshire
16
Conwy
96
Cornwall
625
County Antrim
70
County Armagh
44
County Down
61
County Fermanagh
16
County Londonderry
43
County Tyrone
57
County of Bristol
23
Cumbria
611
Denbighshire
76
Derbyshire
363
Devon
894
Dorset
427
Dumfries and Galloway
421
Dunbartonshire
11
Dundee City
8
Durham
281
East Ayrshire
87
East Dunbartonshire
17
East Lothian
66
East Renfrewshire
16
East Riding of Yorkshire
248
East Sussex
281
Essex
581
Falkirk
41
Fife
211
Flintshire
77
Glasgow City
17
Gloucestershire
483
Greater London
879
Greater Manchester
188
Guernsey Channel Islands
12
Gwynedd
268
Hampshire
578
Hereford and Worcester
5
Herefordshire
358
Hertfordshire
278
Highland
1,351
Inverclyde
16
Inverness
1
Isle of Anglesey
102
Isle of Barra
1
Isle of Man
86
Isle of Wight
84
Jersey Channel Islands
4
Kent
622
Lancashire
380
Leicestershire
319
Lincolnshire
809
Merseyside
142
Merthyr Tydfil
13
Midlothian
38
Monmouthshire
43
Moray
221
Neath Port Talbot
54
Newport
8
Norfolk
748
North Ayrshire
80
North Lanarkshire
64
North Yorkshire
845
Northamptonshire
324
Northumberland
418
Nottinghamshire
300
Orkney
1
Orkney Islands
124
Oxfordshire
403
Pembrokeshire
253
Perth and Kinross
352
Powys
344
Renfrewshire
21
Rhondda Cynon Taff
78
Rutland
54
Scottish Borders
262
Shetland Islands
173
Shropshire
618
Somerset
669
South Ayrshire
96
South Lanarkshire
122
South Yorkshire
168
Staffordshire
425
Stirling
163
Suffolk
546
Surrey
257
Swansea
69
Torfaen
22
Tyne and Wear
118
Vale of Glamorgan
72
Warwickshire
286
West Dunbart
22
West Lothian
46
West Midlands
194
West Sussex
332
West Yorkshire
294
Western Isles
232
Wiltshire
467
Worcestershire
347
Wrexham
67
* A place (record) represents a unique combination of territorial name and geocoded coordinates.

Data Exports

Bulk geodata for United Kingdom including territorial centroids and routing identifiers.

Contents: ISO-3166-2, Admin Levels 1-3, Routing identifiers, Decimal Lat/Lng.

License + Attribution

Country datasets are provided under ODbL 1.0. If you redistribute datasets or publish derivatives, include attribution and follow share-alike requirements.

Contains data from PostalCodes.info (postalcodes.info), provided under the Open Database License (ODbL) 1.0.

Coordinates represent approximate administrative centroids. Details: /licensing and /data-sources.

Dataset version: 2026.3 · Updated: 2026-03-10

API Access

Use bulk downloads for integration, or the lightweight JSON search endpoint for interactive lookups.

GET https://postalcodes.info/search?q={query}&country=gb
Explore Documentation →

Geographic Data Questions

What are address codes in this territory?

Address codes are standardized routing identifiers used by postal operators and logistics systems. They map deliveries to specific districts and administrative boundaries.

How can I find a code by city or region?

Search by city, town, or administrative region in our lookup tool to retrieve official entries with geocoded coordinates and hierarchy context.

Why do some cities have multiple codes?

Large urban centers are often partitioned into multiple routing districts to manage high delivery volumes and improve granularity.

Are these codes valid for shipping and forms?

Yes. Registry entries are derived from institutional datasets and are suitable for shipping workflows, e-commerce forms, and address verification.

Can these codes change over time?

Yes. Codes may be updated due to urban growth, rezoning, or operator-level optimizations. Our archive is refreshed regularly to reflect these changes.

Can I download code data for this territory?

Yes. Structured datasets are available in CSV, Excel (XLSX), and JSON with geocoded centroids and administrative names.

Methodology and Practical Use

This reference layer currently exposes 118 primary subdivisions and 27,450 geocoded place rows for implementation work. Typical examples visible in this page include Highland, Devon, Greater London. Coordinates represent approximate centroids, not parcel boundaries, rooftop points, or legal cadastral limits. Naming conventions can vary across statistical bureaus, municipal gazettes, transport agencies, and civil registries, so spelling differences may describe equivalent places.

For production systems, pair this catalog with domain-specific business rules such as service eligibility, tax jurisdictions, dispatch constraints, and compliance filters. The current formatting profile (Alphanumeric, for example SW1A 1AA) is useful as a baseline for validators, parsers, and ingestion pipelines that require deterministic normalization and reproducible joins. Common lookup anchors in this territory include London, Newton, Middleton, Milton, Newtown, which helps QA teams test joins and edge-case matching against real place names.

Regional coverage fingerprint: Highland | Devon | Greater London | North Yorkshire | Lincolnshire | Norfolk | Aberdeenshire | Argyll and Bute | Somerset | Cornwall | Kent | Shropshire.