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 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 settlements on or near the coast in West Sussex and East Sussex. The main sorting office is outside the area, at the Gatwick Mail Centre in Crawley.
The CO postcode area, also known as the Colchester postcode area, is a group of sixteen postcode districts in the east of England, within nine post towns. These cover northeast Essex and a small part of south Suffolk. The main sorting office is in Colchester.
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 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 DL postcode area, also known as the Darlington postcode area, is a group of seventeen postcode districts in England, which are subdivisions of fourteen post towns. These districts cover central County Durham, northern North Yorkshire and a very small part of Cumbria.
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 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, south Cumbria and a small part of North Yorkshire.
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 26 postcode districts covering 28 post towns: Badminton, Berkeley, Blakeney, Cheltenham, Chipping Campden, Cinderford, Cirencester, Coleford, Drybrook, Dursley, Dymock, Fairford, Gloucester, Lechlade, Longhope, Lydbrook, Lydney, Mitcheldean, Moreton-in-Marsh, Newent, Newnham, Ruardean, Stonehouse, Stroud, Tetbury, Tewkesbury, Westbury-on-Severn and Wotton-under-Edge. The main series has a hiatus after GL20, resuming at GL50 for Cheltenham and areas immediately around and to its east, ceasing with GL56.
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 PR postcode area, also known as the Preston postcode area, is a group of eleven postcode districts in North West England, within four post towns. These cover south-west Lancashire and north Merseyside.
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 SY postcode area, also known as the Shrewsbury postcode area, is a group of 26 postcode districts in England and Wales, within 32 post towns. These cover most of Shropshire, north Powys, and north Ceredigion, plus small parts of south Cheshire and north Herefordshire, and very small parts of Gwynedd and Wrexham County Borough.
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.
