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 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 LN postcode area, also known as the Lincoln postcode area, is a group of thirteen postcode districts in eastern England, within 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 MK postcode area, also known as the Milton Keynes postcode area, is a group of 26 postcode districts in England, within five post towns. These cover north Buckinghamshire, west and north Bedfordshire and very small parts of Northamptonshire, Oxfordshire and Cambridgeshire.
The YO postcode area, also known as the York postcode area, is a group of 29 postcode districts in Yorkshire, England, within ten post towns. These cover most of Central and Eastern North Yorkshire and the northern part of the East Riding of Yorkshire. The rest of North Yorkshire is split between the TS, DL, LA, BD, HG, DN, LS and WF postcode areas.
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 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 IP postcode area, also known as the Ipswich postcode area, is a group of 33 postcode districts in the east of England, within 15 post towns. These cover most of Suffolk, southern and southwestern Norfolk, and a very small part of Cambridgeshire.
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 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 PO postcode area, also known as the Portsmouth postcode area, is a group of 34 postcode districts in southern England, within 24 post towns. These cover south-east Hampshire, southwestern West Sussex and the Isle of Wight.
The SP postcode area, also known as the Salisbury postcode area, is a group of eleven postcode districts in southern England, within six post towns. These cover south Wiltshire and parts of north Dorset and west Hampshire.
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 DD postcode area, also known as the Dundee postcode area, is a group of eleven postcode districts in eastern Scotland, within nine post towns. These cover Dundee and Angus, plus part of north-east Fife and small parts of Perth and Kinross and Aberdeenshire.
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, 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.
