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 NP postcode area, also known as the Newport postcode area, is a group of eighteen postcode districts, which are subdivisions of fourteen post towns. These cover south-east Wales, including Newport, Pontypool, Abergavenny, Monmouth, Chepstow, Abertillery, Usk, Tredegar, New Tredegar, Ebbw Vale, Crickhowell, Blackwood, Caldicot and Cwmbran, plus a small part of the English counties of Gloucestershire and Herefordshire.
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 LN postcode area, also known as the Lincoln postcode area, is a group of thirteen postcode districts in England, which are subdivisions of seven post towns. These cover central Lincolnshire, including Lincoln, Alford, Horncastle, Louth, Mablethorpe, Market Rasen and Woodhall Spa.
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 CW postcode area, also known as the Crewe postcode area, is a group of twelve postcode districts in England, within eight post towns. These cover much of Cheshire, including Crewe, Northwich, Congleton, Middlewich, Nantwich, Sandbach, Tarporley and Winsford, plus very small parts of Staffordshire and Shropshire.
The NN postcode area, also known as the Northampton postcode area, is a group of nineteen postcode districts in England, within eight post towns. These cover most of Northamptonshire, plus very small parts of Bedfordshire, Buckinghamshire, Leicestershire, Oxfordshire and Warwickshire.
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 SR postcode area, also known as the Sunderland postcode area, is a group of eight postcode districts in north-east England, within three post towns. These cover eastern Tyne and Wear and north-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 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 TR postcode area, also known as the Truro postcode area, is a group of 27 postcode districts in South West England, within 15 post towns. These cover west Cornwall, including Truro, Penzance, Camborne, Falmouth, Hayle, Helston, Marazion, Newquay, Penryn, Perranporth, Redruth, St Agnes, St Columb and St Ives, plus the Isles of Scilly.
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 ST postcode area, also known as the Stoke-on-Trent postcode area, is a group of 21 postcode districts in England, within six post towns. These cover much of north and central Staffordshire, plus very small parts of Cheshire and Derbyshire.
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 ZE postcode area, also known as the Lerwick postcode area, is a group of three postcode districts covering the Shetland Islands in Scotland. The letters in the postcode are derived from Zetland, an archaic spelling of the islands' name that was the name for the council area until 1975.
The HR postcode area, also known as the Hereford postcode area, is a group of nine postcode districts in England and Wales, which are subdivisions of six post towns. These cover most of Herefordshire, including Hereford, Bromyard, Kington, Ledbury, Leominster and Ross-on-Wye, while the HR2, HR3 and HR5 districts extend across the border to cover a small part of Powys.
The HS postcode area, also known as the Outer Hebrides postcode area, is a group of nine postcode districts, within eight post towns, covering the Outer Hebrides in Scotland.
