The RM postcode area, also known as the Romford postcode area, is a group of twenty postcode districts in south-east England, within nine post towns. These cover parts of eastern Greater London and south-west Essex. Inward mail for the area is sorted, along with mail for the E and IG postcode areas, at the Romford Mail Centre.
The CV postcode area, also known as the Coventry postcode area, is a group of 24 postcode districts in central England, within eleven post towns. These cover the eastern part of the West Midlands county, most of Warwickshire, a part of west Leicestershire and a very small part of Northamptonshire.
The CB postcode area, also known as the Cambridge postcode area, is a group of sixteen postcode districts in the east of England, within five post towns. These cover much of south and east Cambridgeshire, plus parts of west Suffolk and north-west Essex, and a very small part of Norfolk.
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 B postcode area, also known as the Birmingham postcode area, is a group of 79 postcode districts in central England, within 15 post towns. These cover the central portion of the West Midlands, plus northeast Worcestershire, north and west Warwickshire, and part of southeast Staffordshire and a very small part of Leicestershire. It is the most populated postcode area in the United Kingdom, with a population of over 1.9 million.
The DE postcode area, also known as the Derby postcode area, is a group of 23 postcode districts in central England, within 11 post towns. These cover south and central Derbyshire, parts of east Staffordshire and north-west Leicestershire, and very small parts of Nottinghamshire.
The DN postcode area, also known as the Doncaster postcode area, is a group of 32 postcode districts in eastern England, within 13 post towns. These cover eastern South Yorkshire, north Lincolnshire, parts of north Nottinghamshire and the south-west of the East Riding of Yorkshire, and a small part of southern North Yorkshire.
The NG postcode area, also known as the Nottingham postcode area, is a group of 29 postcode districts in the East Midlands of England, within seven post towns. These cover southern and central Nottinghamshire, parts of south-west Lincolnshire and small parts of Derbyshire and Leicestershire. The NG postcode area is one of six with a population above 1 million.
The PE postcode area, also known as the Peterborough postcode area, is a group of 36 postcode districts in eastern England, within 18 post towns. These cover north and west Cambridgeshire, much of south and east Lincolnshire, and west Norfolk, plus the north-easternmost part of Northamptonshire, the easternmost part of Rutland and very small parts of Bedfordshire.
The RG postcode area, also known as the Reading postcode area, is a group of thirty postcode districts in England, within twelve post towns. These cover west and central Berkshire and north Hampshire, plus a small part of south-east Oxfordshire and very small parts of Buckinghamshire and Wiltshire.
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 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 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 part of North Yorkshire.
The EX postcode area, also known as the Exeter postcode area, is a group of 33 postcode districts in South West England, within 30 post towns. These cover north and east Devon, plus the northernmost part of Cornwall and very small parts of Somerset and Dorset.
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 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 WS postcode area, also known as the Walsall postcode area, is a group of fifteen postcode districts in England, within six post towns. These cover the northern part of the West Midlands and much of south-east Staffordshire.
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 SY postcode area, also known as the Shrewsbury postcode area, is a group of 25 postcode districts in the West Midlands and Mid Wales, with small areas in North West England and North Wales. Together the districts cover most of Shropshire, north Powys, north Ceredigion, and part of south Cheshire. In addition, the SY7 and SY8 districts cover a small part of north Herefordshire, and the SY14 and SY20 districts also contain very small parts of Gwynedd and Wrexham County Borough respectively. The postcode area contains 32 post towns.
