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 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 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 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 WA postcode area, also known as the Warrington postcode area, is a group of sixteen postcode districts in North West England, within nine post towns. These cover north Cheshire, eastern Merseyside and small parts of south-western Greater Manchester.
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 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 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 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 DT postcode area, also known as the Dorchester postcode area, is a group of eleven postcode districts in South West England, within nine post towns. These cover much of Dorset, plus very small parts of Devon and Somerset.
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 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 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 the north-western part of the West Midlands, plus parts of south-west Staffordshire and south-east Shropshire.
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 TN postcode area, also known as the Tunbridge Wells postcode area, is a group of 40 postcode districts in England, within 24 post towns. These cover south and west Kent and northern and eastern East Sussex, plus very small parts of Surrey and the London Borough of Bromley.
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 PR postcode area, also known as the Preston postcode area, is a group of eleven postcode districts in North West England which together cover northern Merseyside and parts of central and southern Lancashire. Its four post towns are Chorley, Leyland, Southport, and Preston.
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 HS postcode area, also known as the Outer Hebrides postcode area, is a group of nine postcode districts, within eight post towns, covering the Outer Hebrides in Scotland.
