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 DE postcode area, also known as the Derby postcode area, is a group of 23 postcode districts in central England, which are subdivisions of 11 post towns. These postcode districts cover south and central Derbyshire, parts of east Staffordshire and north-west Leicestershire, and very small parts of Nottinghamshire.
The DY postcode area, also known as the Dudley postcode area, is a group of fourteen postcode districts in England, which are subdivisions of eight post towns. These districts cover the south-western portion of the West Midlands and north Worcestershire, plus very small parts of Shropshire and Staffordshire.
The NG postcode area, also known as the Nottingham postcode area, is a group of 29 postcode districts in the East Midlands of England, which are subdivisions of seven post towns. These cover central Nottinghamshire, parts of south-west Lincolnshire and small parts of Derbyshire and Leicestershire.
The SS postcode area, also known as the Southend-on-Sea postcode area, is a group of seventeen postcode districts in England, which are subdivisions of eleven post towns. These cover south-east Essex, including Southend-on-Sea, Basildon, Benfleet, Canvey Island, Hockley, Leigh-on-Sea, Rayleigh, Rochford, Stanford-le-Hope, Westcliff-on-Sea and Wickford.
The WN postcode area, also known as the Wigan postcode area, is a group of eight postcode districts in North West England, which are subdivisions of three post towns. These cover most of the Metropolitan Borough of Wigan in Greater Manchester, plus small parts of West Lancashire and the Metropolitan Borough of St Helens in Merseyside.
The RH postcode area, also known as the Redhill postcode area, is a group of twenty postcode districts in South East England, within seventeen post towns. These cover east Surrey and northeastern West Sussex, plus small parts of northwestern East Sussex.
The IP postcode area, also known as the Ipswich postcode area, is a group of 33 postcode districts in the east of England, which are subdivisions of 15 post towns. These cover most of Suffolk, plus southern Norfolk and a very small part of Cambridgeshire.
The TS postcode area, also known as the Cleveland postcode area, is a group of 29 consecutive postcode districts in north-east England for ten post towns. These cover north-east North Yorkshire and south-east County Durham.
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.
The HU postcode area, also known as the Hull postcode area, is a group of twenty postcode districts in England, which are subdivisions of 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 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 CA postcode area, also known as the Carlisle postcode area, is a group of 28 postcode districts in north-west England, which are subdivisions of 22 post towns. These cover northern and central Cumbria, including Carlisle, Penrith, Workington, Whitehaven, Maryport, Cockermouth, Egremont, Alston, Appleby-in-Westmorland, Beckermet, Brampton, Cleator, Cleator Moor, Frizington, Holmrook, Keswick, Kirkby Stephen, Moor Row, Ravenglass, Seascale, St Bees and Wigton, plus a very small part of Northumberland.
The LD postcode area, also known as the Llandrindod Wells postcode area, is a group of eight postcode districts in Wales. These postcode districts cover much of south Powys, including Llandrindod Wells, Brecon, Builth Wells, Presteigne, Knighton, Rhayader, Llanwrtyd Wells and Llangammarch Wells. The LD7 and LD8 districts extend across the border into England, covering very small parts of Shropshire and Herefordshire.
The EX postcode area, also known as the Exeter postcode area, is a group of 33 postcode districts in South West England, which are subdivisions of 30 post towns. These cover north and east Devon, including Exeter, Barnstaple, Axminster, Beaworthy, Bideford, Braunton, Budleigh Salterton, Chulmleigh, Colyton, Crediton, Cullompton, Dawlish, Exmouth, Holsworthy, Honiton, Ilfracombe, Lynmouth, Lynton, North Tawton, Okehampton, Ottery St Mary, Seaton, Sidmouth, Sidford, Sidbury, South Molton, Tiverton, Torrington, Umberleigh, Winkleigh and Woolacombe, plus the northernmost part of Cornwall, including Bude.
The ST postcode area, also known as the Stoke-on-Trent postcode area, is a group of 21 postcode districts in England, which are subdivisions of six post towns. These cover much of north and central Staffordshire, including Stoke-on-Trent, Stafford, Leek, Newcastle-under-Lyme, Stone and Uttoxeter, plus very small parts of Cheshire and Derbyshire.
The CT postcode area, also known as the Canterbury postcode area, is a group of 21 postcode districts in South East England, within 13 post towns. These cover much of east Kent, including Canterbury, Dover, Folkestone, Birchington, Broadstairs, Deal, Herne Bay, Hythe, Margate, Ramsgate, Sandwich, Westgate-on-Sea and Whitstable.
The TF postcode area, also known as the Telford postcode area, is a group of thirteen postcode districts in England, which are subdivisions of six post towns. These cover north-east Shropshire, including Telford, Broseley, Market Drayton, Much Wenlock, Newport and Shifnal, plus a very small part of Staffordshire.
The SY postcode area, also known as the Shrewsbury postcode area, is a group of 25 geographic, consecutive postcode districts. The first five, SY1-SY5, form Shrewsbury post town, other post towns are Aberystwyth, Bishop's Castle, Borth, Bow Street, Bucknell, Caersws, Church Stretton, Craven Arms, Ellesmere, Llanbrynmair, Llandinam, Llanfechain, Llanfyllin, Llanidloes, Llanon, Llanrhystud, Llansanffraid, Llanymynech, Ludlow, Lydbury North, Machynlleth, Malpas, Meifod, Montgomery, Newtown, Oswestry, Talybont, Tregaron, Welshpool, Whitchurch and Ystrad Meurig. About half of these and the lands associated are in Wales but the bulk of the population is in the Shropshire components.
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.
