The GU postcode area, also known as the Guildford postcode area, is a group of 38 postcode districts in South East England, within 24 post towns. These cover west Surrey, north-east Hampshire, northwestern West Sussex and a small part of south-east Berkshire.
The DE postcode area, also known as the Derby postcode area, is a group of 23 postcode districts in central England, within 11 post towns. These cover south and central Derbyshire, parts of east Staffordshire and north-west Leicestershire, and very small parts of Nottinghamshire.
The DY postcode area, also known as the Dudley postcode area, is a group of fourteen postcode districts in England, within eight post towns. These cover the south-western part of the West Midlands and north Worcestershire, plus the south-westernmost part of Staffordshire and a small part of south-east Shropshire.
The LU postcode area, also known as the Luton postcode area, is a group of seven postcode districts in England, within three post towns. These cover south Bedfordshire, plus small parts of north Hertfordshire and east Buckinghamshire.
The ME postcode area, also known as the Rochester postcode area, is a group of twenty postcode districts in South East England, within eleven post towns. These cover north central Kent, including the Medway unitary authority and the borough of Swale, plus parts of the boroughs of Maidstone, Tonbridge and Malling, and Gravesham. The letters in the postcode are derived from the name of the Medway conurbation.
The YO postcode area, also known as the York postcode area, is a group of 30 postcode districts in Yorkshire, England, within ten post towns. These cover most of North Yorkshire and the northern part of the East Riding of Yorkshire.
The BA postcode area, also known as the Bath postcode area, is a group of nineteen postcode districts in South West England, within sixteen post towns. These cover east Somerset and west Wiltshire, plus a very small part of north-west Dorset.
The SK postcode area, also known as the Stockport postcode area, is a group of nineteen postcode districts in England, within eleven post towns. These cover south-east Greater Manchester, parts of east Cheshire, north-west Derbyshire and a small part of north Staffordshire.
The NR postcode area, also known as the Norwich postcode area, is a group of 35 postcode districts in the east of England, within 16 post towns. These cover central and eastern Norfolk and part of north-east Suffolk.
The TS postcode area, also known as the Cleveland postcode area, is a group of 29 postcode districts in north-east England for ten post towns. These cover north-east North Yorkshire and south-east County Durham.
The DH postcode area, also known as the Durham postcode area, is a group of twelve postcode districts in north-east England, which are subdivisions of five post towns. These districts cover northern County Durham and south-west Tyne and Wear, plus a very small part of Northumberland.
The HU postcode area, also known as the Hull postcode area, is a group of twenty postcode districts in England, which are subdivisions of eight post towns. These cover the south of the East Riding of Yorkshire, including Hull, Beverley, Cottingham, Hessle, Hornsea, Withernsea, Brough and North Ferriby.
The WF postcode area, also known as the Wakefield postcode area, is a group of 17 postcode districts in north-east England, which are subdivisions of eleven post towns. These cover much of southern and eastern West Yorkshire, plus small parts of South and North Yorkshire.
The EX postcode area, also known as the Exeter postcode area, is a group of 33 postcode districts in South West England, within 30 post towns. These cover north and east Devon, plus the northernmost part of Cornwall.
The KW postcode area, or Kirkwall postcode area, is a group of sixteen postcode districts in the far north of Scotland, within fifteen post towns. These cover Caithness, east Sutherland and the Orkney Islands.
The DD postcode area, also known as the Dundee postcode area, is a group of eleven postcode districts in eastern Scotland, within nine post towns. These cover Dundee and Angus, plus part of north-east Fife and small parts of Perth and Kinross and Aberdeenshire.
The BB postcode area, also known as the Blackburn postcode area, is a group of thirteen postcode districts in north-west England, within nine post towns. These cover east Lancashire, including Blackburn, Burnley, Accrington, Barnoldswick, Clitheroe, Colne, Darwen, Nelson and Rossendale.
The TF postcode area, also known as the Telford postcode area, is a group of thirteen postcode districts in England, within six post towns. These cover north-east Shropshire, including Telford, Broseley, Market Drayton, Much Wenlock, Newport and Shifnal, plus a small part of west Staffordshire.
The CH postcode area, also known as the Chester postcode area, is a group of 37 postcode districts in north-west England and north-east Wales, which are subdivisions of thirteen post towns. These districts cover west Cheshire, south-west Merseyside and east Flintshire.
The TD postcode area, also known as the Galashiels postcode area, is a group of fifteen postcode districts in south-east Scotland and the far north-east of England, within seventeen post towns. These cover most of the Scottish Borders council area and the northernmost part of Northumberland, plus a part of south-eastern East Lothian and a very small part of Cumbria.
