The UB postcode area, also known as the Southall postcode area, is a group of eleven postcode districts in England, within six post towns. These cover parts of western and north-western Greater London, plus a very small part of Buckinghamshire. The letters in the postcodes are the phonemic abbreviation of Uxbridge.
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 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 BN postcode area, also known as the Brighton postcode area, is a group of 30 postcode districts in South East England, within 18 post towns. These cover southwestern East Sussex and southeastern West Sussex. The main sorting office is at the Gatwick Mail Centre in Crawley.
The HP postcode area, also known as the Hemel Hempstead postcode area, is a group of twenty-four postcode districts in England, within eleven post towns. These cover north-west Hertfordshire and central 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 north Hertfordshire and east Bedfordshire, plus a small part of south-west Cambridgeshire and a very small part of Essex.
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 very small parts of north-west Dorset and south Gloucestershire.
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 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 DH postcode area, also known as the Durham postcode area, is a group of nine postcode districts in north-east England, within five post towns. These cover northern County Durham, parts of southern Tyne and Wear and a small part of southern Northumberland.
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 a small part of North Yorkshire.
The SA postcode area, also known as the Swansea postcode area, is a group of 51 postcode districts for post towns Aberaeron, Ammanford, Boncath, Burry Port, Cardigan, Carmarthen, Clynderwen, Crymych, Ferryside, Fishguard, Glogue, Goodwick, Haverfordwest, Kidwelly, Kilgetty, Lampeter, Llanarth, Llandeilo, Llandovery, Llandysul, Llanelli, Llanfyrnach, Llangadog, Llangrannog, Llansaint, Llanwrda, Llanybydder, Milford Haven, Narberth, Neath, New Quay, Newcastle Emlyn, Newport, Pembroke, Pembroke Dock, Pencader, Pontardawe, Port Talbot, Saundersfoot, Swansea, Tenby and Whitland forming south-west Wales.
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 TQ postcode area, also known as the Torquay postcode area, is a group of fourteen postcode districts in South West England, within eleven post towns. These cover much of south Devon, including Torquay, Paignton, Newton Abbot, Brixham, Ashburton, Buckfastleigh, Dartmouth, Kingsbridge, Salcombe, South Brent, Teignmouth and Totnes.
The SN postcode area, also known as the Swindon postcode area, is a group of eighteen postcode districts in England, within ten post towns. These cover north Wiltshire, plus a small part of south-west Oxfordshire and a very small part of Gloucestershire.
The GL postcode area, also known as the Gloucester postcode area, is a group of 27 postcode districts in south-west England and a very small part of south-east Wales, within 28 post towns. These cover most of Gloucestershire, including Gloucester, Cheltenham, Stroud, Cirencester, Tewkesbury, Badminton, Berkeley, Blakeney, Chipping Campden, Cinderford, Coleford, Drybrook, Dursley, Dymock, Fairford, Lechlade, Longhope, Lydbrook, Lydney, Mitcheldean, Moreton-in-Marsh, Newent, Newnham, Ruardean, Stonehouse, Tetbury, Westbury-on-Severn and Wotton-under-Edge. The area also covers very small parts of Herefordshire, Worcestershire, Warwickshire, Oxfordshire and Wiltshire, while the GL16 district extends across the Welsh border to cover a very small part of Monmouthshire.
The WR postcode area, also known as the Worcester postcode area, is a group of fifteen postcode districts in England, within seven post towns. These cover central and southern Worcestershire, plus very small parts of Herefordshire, Shropshire, Warwickshire and Gloucestershire.
The WV postcode area, also known as the Wolverhampton postcode area, is a group of sixteen postcode districts in England, within four post towns. These cover Wolverhampton, Willenhall and Bilston in the West Midlands, plus parts of south-west Staffordshire and south-east Shropshire.
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. Together the districts cover west Cheshire, the Wirral part of Merseyside, and east Flintshire. Its thirteen post towns are Bagillt, Birkenhead, Buckley, Chester, Deeside, Ellesmere Port, Flint, Holywell, Mold, Neston, Prenton, Wallasey, and Wirral.
