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United Kingdom Postal Codes & Phone Area Query

Welcome to the United Kingdom Postal Codes and Phone Generator directory. This portal indexes 178 major states/provinces in United Kingdom. Select a region to explore local cities, street zip codes, neighborhood maps, and to generate simulated phone numbers conforming to local telecommunication network rules for QA and development.

United Kingdom Country Code
178 Indexed Regions/Counties
7 Active Languages
🔍 Currently showing 178 regions/counties

Regions & Counties

178
Aberdeen City Aberdeenshire Angus Antrim Ards Argyll and Bute Barnsley Bath and North East Somerset Bedford Borough Birmingham Blackburn with Darwen Blaenau Gwent Bolton Bracknell Forest Bradford Bridgend Brighton and Hove Buckinghamshire Bury Caerphilly Calderdale Cambridgeshire Cardiff Carmarthenshire Castlereagh Central Bedfordshire Ceredigion Cheshire East Cheshire West and Chester City of Bristol City of Edinburgh City of Kingston-upon-Hull Clackmannanshire Coleraine Conwy Cornwall County Durham Coventry Craigavon Cumbria Darlington Denbighshire Derby Derbyshire Derry Devon Doncaster Dorset Down Dudley Dumfries and Galloway Dundee City Dungannon East Ayrshire East Dunbartonshire East Lothian East Renfrewshire East Riding of Yorkshire East Sussex Eilean Siar Essex Falkirk Fife Flintshire Gateshead Glasgow City Gloucestershire Greater London Greater Manchester Guernsey Gwynedd Halton Hampshire Herefordshire Hertfordshire Highland Inverclyde IOM Isle of Anglesey Isle of Wight Isles of Scilly Jersey Kent Kirklees Knowsley Lancashire Leeds Leicester Leicestershire Lincolnshire Lisburn Liverpool Medway Merthyr Tydfil Middlesbrough Midlothian Milton Keynes Monmouthshire Moray Moyle Neath Port Talbot Newcastle Upon Tyne Newport Newtownabbey Norfolk North Ayrshire North Down North East Lincolnshire North Lanarkshire North Lincolnshire North Somerset North Tyneside North Yorkshire Northamptonshire Northumberland Nottingham Nottinghamshire Oldham Orkney Islands Oxfordshire Pembrokeshire Perth and Kinross Peterborough Plymouth Powys Redcar and Cleveland Renfrewshire Rhondda Cynon Taff Rochdale Rotherham Rutland Salford Sandwell Sefton Sheffield Shetland Islands Shropshire Slough Solihull Somerset South Ayrshire South Gloucestershire South Lanarkshire St Helens Staffordshire Stirling Stockport Stockton-on-Tees Suffolk Sunderland Surrey Swansea Swindon Tameside Telford and Wrekin The Scottish Borders The Vale of Glamorgan Thurrock Torbay Torfaen Trafford Wakefield Walsall Warrington Warwickshire West Berkshire West Dunbartonshire West Lothian West Sussex Wigan Wiltshire Windsor and Maidenhead Wirral Wokingham Wolverhampton Worcestershire Wrexham York

Frequently Asked Questions

Postal Code System
In the UK, postal codes are known as Postcodes, introduced by the Royal Mail between 1959 and 1974. A UK postcode is an alphanumeric code, typically consisting of two parts: the first part is the Outward Code (e.g., SW1A), representing the region or town; the second part is the Inward Code (e.g., 1AA), representing a specific street, building, or delivery point.
Dialing Format & Area Codes
UK phone numbers begin with the country prefix +44, and local numbers are usually 11 digits (including the leading 0, such as London's 020 followed by an 8-digit number). The UK telephone network uses area codes of varying lengths (e.g., 2 to 5 digits) allocated based on specific cities and regions. Our platform provides simulated numbers complying with telecommunication rules across the UK.
What is the length and format of postal codes in United Kingdom?
Postcodes in the United Kingdom are alphanumeric (e.g., SW1A 1AA). They consist of two parts: the Outward Code (2-4 characters) identifying the region or town, and the Inward Code (3 characters) identifying the street, building, or specific delivery point.
How are telephone area codes structured and allocated in United Kingdom?
UK area codes vary in length from 2 to 5 digits (starting with '0', e.g., 020 for London, 0131 for Edinburgh). The total national length of a UK number (including the area code) is usually standardized to 11 digits.
How do you dial a United Kingdom phone number from abroad?
To call the UK, dial '+44', followed by the area code (without the leading '0') and the subscriber number. For example, to call London landlines, dial +44 20 7946 0192 (domestic: 020 7946 0192).
Do postal codes and telephone area codes in United Kingdom align geographically?
No, postal codes and telephone area codes are independently planned and managed by different authorities (the postal service vs. the telecom authority), so their geographic boundaries do not align directly. One area code usually contains hundreds or thousands of postal codes.
Why is the correct postal code critical for mail and package delivery in United Kingdom?
The correct postal code is the core basis for modern logistics and automated postal sorting. Writing the correct postal code avoids misrouting, reduces sorting steps, shortens delivery times, and ensures precise delivery to specific blocks or buildings.
How can I verify if a United Kingdom postal code or telephone area code is valid?
You can use the directory hierarchy on our website to browse states, cities, and districts to check the postal code and area code mapping. For official confirmation, you can consult the official postal service or telecom authority of that country.