The KA postcode area, also known as the Kilmarnock postcode area, is a group of 30 postcode districts in south-west Scotland, within 23 post towns. These cover East Ayrshire, North Ayrshire and South Ayrshire.
The DN postcode area, also known as the Doncaster postcode area, is a group of 32 postcode districts in eastern England, within 13 post towns. These cover eastern South Yorkshire, north Lincolnshire, parts of north Nottinghamshire and the south-west of the East Riding of Yorkshire, and a small part of southern North Yorkshire.
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 SG postcode area, also known as the Stevenage postcode area, is a group of nineteen postcode districts in England, within fifteen post towns. These cover most of Hertfordshire and east Bedfordshire, plus a small part of south-west Cambridgeshire and a very small part of Essex.
The YO postcode area, also known as the York postcode area, is a group of 29 postcode districts in Yorkshire, England, within ten post towns. These cover most of Central and Eastern North Yorkshire and the northern part of the East Riding of Yorkshire. The rest of North Yorkshire is split between the TS, DL, LA, BD, HG, DN, LS and WF postcode areas.
The RG postcode area, also known as the Reading postcode area, is a group of thirty postcode districts in England, within twelve post towns. These cover west and central Berkshire and north Hampshire, plus a small part of south-east Oxfordshire and very small parts of Buckinghamshire and Wiltshire.
The OL postcode area, also known as the Oldham postcode area, is a group of sixteen postcode districts in north-west England, within seven post towns. These cover eastern Greater Manchester, plus small parts of east Lancashire and western West Yorkshire.
The LS postcode area, also known as the Leeds postcode area, is a group of 29 postcode districts in England, within six post towns. These cover northern West Yorkshire and some parts of North Yorkshire.
The HG postcode area, also known as the Harrogate postcode area, is a group of five postcode districts in England, within three post towns. These postcode districts cover Harrogate, Ripon and Knaresborough in North Yorkshire.
The NE postcode area, also known as the Newcastle upon Tyne postcode area, is a group of 61 postcode districts in north-east England covering 34 post towns. These cover most of Tyne and Wear and Northumberland, plus a very small part of northern County Durham. The NE postcode area is one of six with a population above 1 million.
The TS postcode area, also known as the Cleveland postcode area, is a group of 29 postcode districts in northern England for ten post towns. These cover north-east North Yorkshire and south-east County Durham.
The HU postcode area, also known as the Hull postcode area, is a group of twenty postcode districts in England, within 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 HD postcode area, also known as the Huddersfield postcode area, is a group of nine postcode districts in England, within three post towns. These cover southern West Yorkshire, including Huddersfield and Holmfirth in the Metropolitan Borough of Kirklees, and Brighouse in the Metropolitan Borough of Calderdale.
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 LA postcode area, also known as the Lancaster postcode area, is a group of 23 postcode districts in north-west England, within 17 post towns. These cover north Lancashire and southern Cumbria, and part of North Yorkshire.
The BD postcode area, also known as the Bradford postcode area, is a group of 24 postcode districts in England, within seven post towns. These cover northwestern West Yorkshire and southwestern North Yorkshire, plus very small parts of Lancashire.
The PL postcode area, also known as the Plymouth postcode area, is a group of 35 postcode districts in South West England, within 25 post towns. These cover west Devon and east Cornwall.
The L postcode area, also known as the Liverpool postcode area, is a group of postcode districts in North West England. Together they cover central and southern Merseyside, southern West Lancashire, and a small part of north-west Cheshire. Its four post towns are Bootle, Liverpool, Ormskirk, and Prescot.
The G postcode area, also known as the Glasgow postcode area, is a group of postcode districts in central Scotland, within six post towns. These districts are primarily centered on Glasgow itself, and West Dunbartonshire, plus parts of the council areas of Argyll and Bute, East Dunbartonshire, North Lanarkshire, South Lanarkshire, East Renfrewshire and Stirling.
The HX postcode area, also known as the Halifax postcode area, is a group of seven postcode districts in England, within four post towns. These cover most of the Metropolitan Borough of Calderdale in western West Yorkshire, including Halifax, Elland, Sowerby Bridge and Hebden Bridge.
