The E (Eastern) postcode area, also known as the London E postcode area, is the part of the London post town covering much of the east of Greater London, England as well as Sewardstone, Essex. It borders the N postcode area to the west, equally north of the tidal Thames. Since closure of the East London mail centre its mail is sorted at Romford Mail Centre as for IG and RM postcode areas.
The IG postcode area, also known as the Ilford postcode area, is a group of eleven postcode districts in England, within six post towns. These cover parts of east London and south-west Essex. Inward mail for the area is sorted, along with mail for the E and RM postcode areas, at the Romford Mail Centre.
The SM postcode area, also known as the Sutton postcode area, is a group of seven postcode districts in England, within five post towns. These cover part of south-west London, as well as a small part of north Surrey.
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 postcode districts which are subdivisions of fourteen post towns. These districts 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 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 and northwestern West Sussex, plus a small part of Berkshire.
The B postcode area, also known as the Birmingham postcode area, is a group of postcode districts in central England, which are subdivisions of fifteen post towns. These districts cover the central portion of the West Midlands, plus north-east Worcestershire, west Warwickshire and part of south-east Staffordshire.
The DN postcode area, also known as the Doncaster postcode area, is a group of 32 postcode districts in England, which are subdivisions of 13 post towns. These cover eastern South Yorkshire, north Lincolnshire, small parts of Nottinghamshire and the East Riding of Yorkshire, and a very small part of 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 Hertfordshire and Buckinghamshire.
The NW postcode area, also known as the London NW postcode area, is a group of postcode districts covering part of northwest London, England. It is the successor of the NW sector, originally created as part of the London postal district in 1856.
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 north Hertfordshire and east Bedfordshire, plus a small part of south-west Cambridgeshire and a very small part of Essex.
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 and north-west Derbyshire, and a small part of north Staffordshire.
The NE postcode area, also known as the Newcastle upon Tyne postcode area, is a group of 61 geographic postcode districts for post towns: Alnwick, Ashington, Bamburgh, Bedlington, Belford, Blaydon-on-Tyne, Blyth, Boldon Colliery, Chathill, Choppington, Corbridge, Cramlington, East Boldon, Gateshead, Haltwhistle, Hebburn, Hexham, Jarrow, Morpeth, Newbiggin-by-the-Sea, Newcastle upon Tyne, North Shields, Prudhoe, Riding Mill, Rowlands Gill, Ryton, Seahouses, South Shields, Stocksfield, Wallsend, Washington, Whitley Bay, Wooler and Wylam in England. It is the largest of its kind in North East England which has other areas: SR, TS, DL, DH and part of TD. It incorporates the Tyneside area of Tyne and Wear, as well as most of Northumberland. In 2011 it had a census return population of 1,162,976 therefore was the UK's fifth most populous. It has seven non-geographic postcode districts. The geographic series is consecutive but NE50 to NE59 do not exist; numbering then goes from NE60 upwards to reach parts of northern Northumberland.
The CF postcode area, also known as the Cardiff postcode area, is a group of 35 geographic postcode districts for post towns: Cardiff, Bridgend, Merthyr Tydfil, Caerphilly, Aberdare, Bargoed, Barry, Cowbridge, Dinas Powys, Ferndale, Hengoed, Llantwit Major, Maesteg, Mountain Ash, Penarth, Pentre, Pontyclun, Pontypridd, Porth, Porthcawl, Rhoose, Sully, Tonypandy, Treharris and Treorchy in south Wales. As at 2020 there are four non-geographic CF postcodes. It approximately equals Glamorgan apart from its west.
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 PA postcode area, also known as the Paisley postcode area, is a group of 67 postcode districts in western Scotland, within 35 post towns. These cover Renfrewshire, Inverclyde and most of Argyll and Bute, plus small parts of North Ayrshire and Highland.
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 L postcode area, also known as the Liverpool postcode area, is a group of postcode districts in north-west England, which are subdivisions of four post towns. These cover most of Merseyside, part of west Lancashire and a small part of north-west Cheshire.
The G postcode area, also known as the Glasgow postcode area, is a group of postcode districts centred around Glasgow in Scotland.
