The SG postcode area, also known as the Stevenage postcode area, is a group of postcode districts around Arlesey

Arlesey

Arlesey is a small industrial town and civil parish in the district of Central Bedfordshire in Bedfordshire. It is located on the border with Hertfordshire, about three miles north-west of Letchworth Garden City, four miles north of Hitchin and six miles south of Biggleswade. Arlesey railway...

, Baldock

Baldock

Baldock is a historic market town in the local government district of North Hertfordshire in the ceremonial county of Hertfordshire, England where the River Ivel rises. It lies north of London, southeast of Bedford, and north northwest of the county town of Hertford...

, Biggleswade

Biggleswade

Biggleswade is a market town and civil parish located on the River Ivel in Bedfordshire, England. It is well served by transport routes, being close to the A1 road between London and the North, as well as having a railway station on the main rail link North from London .-Geography:Located about 40...

, Buntingford

Buntingford

Buntingford is a small market town and civil parish in the district of East Hertfordshire and county of Hertfordshire in England. It lies on the River Rib and on the Roman road Ermine Street. As a result of its location, it grew mainly as a staging post with many coaching inns and has an 18th...

, Henlow

Henlow

Henlow is a village and civil parish in the district of Central Bedfordshire in Bedfordshire, England.RAF Henlow, is located nearby, but is in fact nearer to the village of Stondon...

, Hertford

Hertford

Hertford is the county town of Hertfordshire, England, and is also a civil parish in the East Hertfordshire district of the county. Forming a civil parish, the 2001 census put the population of Hertford at about 24,180. Recent estimates are that it is now around 28,000...

, Hitchin

Hitchin

Hitchin is a town in Hertfordshire, England, with an estimated population of 30,360.-History:Hitchin is first noted as the central place of the Hicce people mentioned in a 7th century document, the Tribal Hidage. The tribal name is Brittonic rather than Old English and derives from *siccā, meaning...

, Knebworth

Knebworth

Knebworth is a village and civil parish in the north of Hertfordshire, England immediately south of Stevenage. The civil parish covers an area between the villages of Datchworth, Woolmer Green, Codicote, Kimpton, Whitwell, St Paul's Walden and Langley, and encompasses the village of Knebworth, the...

, Letchworth

Letchworth

Letchworth Garden City, commonly known as Letchworth, is a town and civil parish in Hertfordshire, England. The town's name is taken from one of the three villages it surrounded - all of which featured in the Domesday Book. The land used was first purchased by Quakers who had intended to farm the...

, Much Hadham

Much Hadham

Much Hadham is a village and civil parish in the district of East Hertfordshire, Hertfordshire, England, formerly known as Great Hadham. It is situated on the B1004 road, midway between Ware and Bishop's Stortford...

, Pirton

Pirton, Hertfordshire

Pirton is a small village and civil parish three miles north-east of Hitchin in Hertfordshire, England. The church, rebuilt in 1877, but with the remains of its 12th-century tower, is built within the bailey of a former castle...

, Royston

Royston, Hertfordshire

Royston is a town and civil parish in the District of North Hertfordshire and county of Hertfordshire in England.It is situated on the Greenwich Meridian, which brushes the towns western boundary, and at the northernmost apex of the county on the same latitude of towns such as Milton Keynes and...

, Sandy

Sandy, Bedfordshire

Sandy is a small market town and civil parish in Bedfordshire, England. It is between Cambridge and Bedford, and on the A1 road from London to Edinburgh. The area is dominated by a range of hills known as the Sand Hills. The River Ivel runs through Sandy. The dedication of the Anglican church is to...

, Shefford

Shefford, Bedfordshire

Shefford is a small town and civil parish located in the Central Bedfordshire district of Bedfordshire, England. At the 2001 census it had a population of 4,928, although this was estimated to have grown to 5,770 by 2007.-History:...

, Stevenage

Stevenage

Stevenage is a town and borough in Hertfordshire, England. It is situated to the east of junctions 7 and 8 of the A1, and is between Letchworth Garden City to the north, and Welwyn Garden City to the south....

 and Ware in England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

.

Coverage

The approximate coverage of the postcode districts:
|-
! SG1
| STEVENAGE
| North Stevenage including Old Town and Town Centre
| Stevenage

Stevenage

Stevenage is a town and borough in Hertfordshire, England. It is situated to the east of junctions 7 and 8 of the A1, and is between Letchworth Garden City to the north, and Welwyn Garden City to the south....

|-
! SG2
| STEVENAGE
| South Stevenage, Walkern

Walkern

Walkern is a village and civil parish in East Hertfordshire. It is located on the River Beane about two miles from Stevenage, and is noted as the home of Jane Wenham, who was in 1712 the last woman in England to be convicted of witchcraft...

, Ardeley

Ardeley

Ardeley is a small village and civil parish in East Hertfordshire, England. The parish includes the hamlet of Cromer, as well as Wood End and Moor Green.Ardeley is located about one and a half miles from Walkern...

| Stevenage

Stevenage

Stevenage is a town and borough in Hertfordshire, England. It is situated to the east of junctions 7 and 8 of the A1, and is between Letchworth Garden City to the north, and Welwyn Garden City to the south....

|-
! SG3
| KNEBWORTH
| Knebworth

Knebworth

Knebworth is a village and civil parish in the north of Hertfordshire, England immediately south of Stevenage. The civil parish covers an area between the villages of Datchworth, Woolmer Green, Codicote, Kimpton, Whitwell, St Paul's Walden and Langley, and encompasses the village of Knebworth, the...

, Woolmer Green

Woolmer Green

Woolmer Green is a small village and civil parish in Hertfordshire, England. The 2007 census figure for the population is 1,429 people .-History:...

, Datchworth

Datchworth

Datchworth is a village and civil parish between the towns of Hertford, Stevenage and Welwyn Garden City in the county of Hertfordshire, England. Sited on the Roman road from St Albans to Puckeridge, the village has examples of Saxon clearings in several locations...

| North Hertfordshire

North Hertfordshire

North Hertfordshire is a local government district in Hertfordshire, England. Its council is based in Letchworth.The district was formed on 1 April 1974 by the amalgamation of the urban districts of Baldock, Hitchin, Letchworth, and Royston and the Hitchin Rural District.From eastward clockwise,...

, Welwyn Hatfield

Welwyn Hatfield

The Borough of Welwyn Hatfield is a local government district in southern Hertfordshire, England.Its covers the two towns of Welwyn Garden City and Hatfield, along with numerous smaller settlements from Woolmer Green in the north to Little Heath in the south. Each of the towns has a railway station...

|-
! SG4
| HITCHIN
| Breachwood Green, Kimpton

Kimpton, Hertfordshire

Kimpton is a village, situated between the Mimram and Lea Valleys, about six miles south of Hitchin in Hertfordshire, England. It is approximately four miles from Harpenden and Luton....

, King's Walden

King's Walden

King's Walden is a civil parish in the English county of Hertfordshire. The name includes an apostrophe, but this is often omitted.The main settlement is now Breachwood Green, and there are also the hamlets of King's Walden, Ley Green, Darleyhall, Lye Hill, Wandon End, Wandon Green and Winch Hill...

, Graveley, Little Wymondley

Little Wymondley

Little Wymondley is a village situated between Hitchin and Stevenage in Hertfordshire. Paradoxically, it is larger than its near neighbour Great Wymondley...

, Great Wymondley

Great Wymondley

Great Wymondley is a village situated near Hitchin in Hertfordshire. It is dominated by its small Norman church with a large apsidal chancel and 15th century nave roof. There are also earthworks of a former motte-and-bailey castle, and Delamere House, an elegant Elizabethan building...

| North Hertfordshire

North Hertfordshire

North Hertfordshire is a local government district in Hertfordshire, England. Its council is based in Letchworth.The district was formed on 1 April 1974 by the amalgamation of the urban districts of Baldock, Hitchin, Letchworth, and Royston and the Hitchin Rural District.From eastward clockwise,...

|-
! SG5
| HITCHIN
| Apsley End

Apsley End

Apsley End is a hamlet located in the Central Bedfordshire district of Bedfordshire, England.The settlement forms part of the Shillington civil parish, and is close to the county border with Hertfordshire....

, Higham Gobion

Higham Gobion

Higham Gobion is a hamlet in the hundred of Flitt, in the English county of Bedfordshire. The hamlet is now part of the civil parish of Shillington...

, Offley

Offley

Offley is a civil parish in the English county of Hertfordshire, between Hitchin and Luton. The main village is Great Offley, and the parish also contains the nearby hamlets of Little Offley and The Flints...

 (including Little Offley), Pegsdon

Pegsdon

Pegsdon is a hamlet located in the Central Bedfordshire district of Bedfordshire, England.The settlement forms part of the Shillington civil parish, and is almost encircled by the county border with Hertfordshire....

, Stotfold

Stotfold

Stotfold is a small town and civil parish in the county of Bedfordshire.In the 19th century, Stotfold was regarded as a wealthy place. The saying was that to live in Stotfold, one has to have £100 and a pig. The town is divided by a long road, High Street, which separates the north side from the...

, Shillington

Shillington, Bedfordshire

Shillington is an English village and civil parish located in the county of Bedfordshire. In the south of the parish, the hamlet of Pegsdon is almost encircled by Hertfordshire, and since 1985 the parish has included the village of Higham Gobion to the west...

, Pirton

Pirton, Hertfordshire

Pirton is a small village and civil parish three miles north-east of Hitchin in Hertfordshire, England. The church, rebuilt in 1877, but with the remains of its 12th-century tower, is built within the bailey of a former castle...

| North Hertfordshire

North Hertfordshire

North Hertfordshire is a local government district in Hertfordshire, England. Its council is based in Letchworth.The district was formed on 1 April 1974 by the amalgamation of the urban districts of Baldock, Hitchin, Letchworth, and Royston and the Hitchin Rural District.From eastward clockwise,...

, Central Bedfordshire

Central Bedfordshire

Central Bedfordshire is a unitary authority in the ceremonial county of Bedfordshire, England. It was created from the merger of Bedfordshire County Council, Mid Bedfordshire and South Bedfordshire on 1 April 2009...

,
|-
! SG6
| LETCHWORTH GARDEN CITY
| Letchworth

Letchworth

Letchworth Garden City, commonly known as Letchworth, is a town and civil parish in Hertfordshire, England. The town's name is taken from one of the three villages it surrounded - all of which featured in the Domesday Book. The land used was first purchased by Quakers who had intended to farm the...

| North Hertfordshire

North Hertfordshire

North Hertfordshire is a local government district in Hertfordshire, England. Its council is based in Letchworth.The district was formed on 1 April 1974 by the amalgamation of the urban districts of Baldock, Hitchin, Letchworth, and Royston and the Hitchin Rural District.From eastward clockwise,...

|-
! SG7
| BALDOCK
| Baldock

Baldock

Baldock is a historic market town in the local government district of North Hertfordshire in the ceremonial county of Hertfordshire, England where the River Ivel rises. It lies north of London, southeast of Bedford, and north northwest of the county town of Hertford...

| North Hertfordshire

North Hertfordshire

North Hertfordshire is a local government district in Hertfordshire, England. Its council is based in Letchworth.The district was formed on 1 April 1974 by the amalgamation of the urban districts of Baldock, Hitchin, Letchworth, and Royston and the Hitchin Rural District.From eastward clockwise,...

|-
! SG8
| ROYSTON
| Royston

Royston, Hertfordshire

Royston is a town and civil parish in the District of North Hertfordshire and county of Hertfordshire in England.It is situated on the Greenwich Meridian, which brushes the towns western boundary, and at the northernmost apex of the county on the same latitude of towns such as Milton Keynes and...

| North Hertfordshire

North Hertfordshire

North Hertfordshire is a local government district in Hertfordshire, England. Its council is based in Letchworth.The district was formed on 1 April 1974 by the amalgamation of the urban districts of Baldock, Hitchin, Letchworth, and Royston and the Hitchin Rural District.From eastward clockwise,...

|-
! SG9
| BUNTINGFORD
| Buntingford

Buntingford

Buntingford is a small market town and civil parish in the district of East Hertfordshire and county of Hertfordshire in England. It lies on the River Rib and on the Roman road Ermine Street. As a result of its location, it grew mainly as a staging post with many coaching inns and has an 18th...

, Westmill

Westmill

Westmill is a village and civil parish in the East Hertfordshire district of Hertfordshire, England, with an area of 1036 hectares. A population of 264 was recorded in the 2001 National Census...

| East Hertfordshire

East Hertfordshire

East Hertfordshire is a local government district in Hertfordshire, England. Its council has offices in Bishop's Stortford and Hertford ....

|-
! SG10
| MUCH HADHAM
| Much Hadham

Much Hadham

Much Hadham is a village and civil parish in the district of East Hertfordshire, Hertfordshire, England, formerly known as Great Hadham. It is situated on the B1004 road, midway between Ware and Bishop's Stortford...

| East Hertfordshire

East Hertfordshire

East Hertfordshire is a local government district in Hertfordshire, England. Its council has offices in Bishop's Stortford and Hertford ....

|-
! SG11
| WARE
| Albury

Albury, Hertfordshire

Albury is a village and civil parish in the East Hertfordshire district of Hertfordshire, England, about five miles west of Bishop's Stortford. According to the 2001 census it had a population of 537....

, Braughing

Braughing

Braughing is a village and civil parish, between the rivers Quin and Rib, in the non-metropolitan district of East Hertfordshire, part of the English county of Hertfordshire, England...

, Bury Green, Colliers End, Haultwick, High Cross, Little Hadham

Little Hadham

Little Hadham is a village and civil parish in the district of East Hertfordshire, Hertfordshire, England. At the census of 2001 it had a population of 1,081...

, Nasty

Nasty, Hertfordshire

Nasty is a hamlet in Hertfordshire in England, situated about seven miles north of Hertford.Its name came from Anglo-Saxon æt þǽm éastan hæge = "at the eastern hedged enclosure"....

, Patmore Heath

Patmore Heath

Patmore Heath is a 7.6 hectare Biological Site of Special Scientific Interest in East Hertfordshire, 2 kilometres north-east of Albury, Hertfordshire. The site was notified in 1985 under the Wildlife and Countryside Act 1981 and is currently managed by the Country Trust as a Nature Reserve....

, Puckeridge

Puckeridge

Puckeridge is a village in East Hertfordshire, England.The earliest settlers in the area were the Belgae, who arrived around 180 BC. A Roman town existed just to the north of the existing village and the village is at the cross roads of two major Roman roads, Ermine Street and Stane Street...

, Standon

Standon, Hertfordshire

Standon is a village and civil parish in Hertfordshire. The parish includes the adjoining village of Puckeridge. The village church of St Mary has Saxon origins with much Victorian restoration.The Prime Meridian passes to the west of Standon....

, Standon Green End

Standon Green End

Standon Green End is a hamlet situated just off the A10 road between Ware and Puckeridge in Hertfordshire.Standon Green End is most notable for being at the final landing point of Vincenzo Lunardi's historic first hot air balloon flight in 1784....

| East Hertfordshire

East Hertfordshire

East Hertfordshire is a local government district in Hertfordshire, England. Its council has offices in Bishop's Stortford and Hertford ....

|-
! SG12
| WARE
| Ware
| East Hertfordshire

East Hertfordshire

East Hertfordshire is a local government district in Hertfordshire, England. Its council has offices in Bishop's Stortford and Hertford ....

|-
! SG13
| HERTFORD
| Hertford

Hertford

Hertford is the county town of Hertfordshire, England, and is also a civil parish in the East Hertfordshire district of the county. Forming a civil parish, the 2001 census put the population of Hertford at about 24,180. Recent estimates are that it is now around 28,000...

, Newgate Street Village, Bayford

Bayford, Hertfordshire

Bayford is a village and civil parish in the East Hertfordshire district of Hertfordshire, England. According to the 2001 census it had a population of 435...

, Brickendon

Brickendon

Brickendon is a village in the civil parish of Brickendon Liberty in the district of East Hertfordshire about 3 miles south of the county town Hertford, and is served by Bayford railway station....

| East Hertfordshire

East Hertfordshire

East Hertfordshire is a local government district in Hertfordshire, England. Its council has offices in Bishop's Stortford and Hertford ....

, Welwyn Hatfield

Welwyn Hatfield

The Borough of Welwyn Hatfield is a local government district in southern Hertfordshire, England.Its covers the two towns of Welwyn Garden City and Hatfield, along with numerous smaller settlements from Woolmer Green in the north to Little Heath in the south. Each of the towns has a railway station...

|-
! SG14
| HERTFORD
|
|
|-
! SG15
| ARLESEY
| Arlesey

Arlesey

Arlesey is a small industrial town and civil parish in the district of Central Bedfordshire in Bedfordshire. It is located on the border with Hertfordshire, about three miles north-west of Letchworth Garden City, four miles north of Hitchin and six miles south of Biggleswade. Arlesey railway...

| Central Bedfordshire

Central Bedfordshire

Central Bedfordshire is a unitary authority in the ceremonial county of Bedfordshire, England. It was created from the merger of Bedfordshire County Council, Mid Bedfordshire and South Bedfordshire on 1 April 2009...

|-
! SG16
| HENLOW
| Henlow

Henlow

Henlow is a village and civil parish in the district of Central Bedfordshire in Bedfordshire, England.RAF Henlow, is located nearby, but is in fact nearer to the village of Stondon...

, Henlow Camp

Henlow Camp

Henlow Camp is a settlement in Bedfordshire, England.RAF Henlow was first established in the area during World War I. Henlow Camp as a civilian settlement has grown up around the station since this time. Though Henlow Camp is part of the Henlow civil parish, it is located nearer to the village of...

, Lower Stondon

Lower Stondon

Lower Stondon is a small village in Central Bedfordshire close to the Hertfordshire Border and has a population of approximately 2000. The village is part of the larger Stondon civil parish, with the name "Stondon" deriving from the Saxon word meaning Stone Hill...

, Upper Stondon

Upper Stondon

Upper Stondon is a hamlet in Bedfordshire, England, part of the wider Stondon civil parish.Upper Stondon is a very small settlement with few amenities. However the village of Lower Stondon and nearby Henlow Camp have extensive local amenities and services....

| Central Bedfordshire

Central Bedfordshire

Central Bedfordshire is a unitary authority in the ceremonial county of Bedfordshire, England. It was created from the merger of Bedfordshire County Council, Mid Bedfordshire and South Bedfordshire on 1 April 2009...

|-
! SG17
| SHEFFORD
| Shefford

Shefford, Bedfordshire

Shefford is a small town and civil parish located in the Central Bedfordshire district of Bedfordshire, England. At the 2001 census it had a population of 4,928, although this was estimated to have grown to 5,770 by 2007.-History:...

| Central Bedfordshire

Central Bedfordshire

Central Bedfordshire is a unitary authority in the ceremonial county of Bedfordshire, England. It was created from the merger of Bedfordshire County Council, Mid Bedfordshire and South Bedfordshire on 1 April 2009...

|-
! SG18
| BIGGLESWADE
| Biggleswade

Biggleswade

Biggleswade is a market town and civil parish located on the River Ivel in Bedfordshire, England. It is well served by transport routes, being close to the A1 road between London and the North, as well as having a railway station on the main rail link North from London .-Geography:Located about 40...

, Budna

Budna

Budna is a hamlet located in Bedfordshire, England.Budna is located to the north of the village of Northill, and near to Thorncote Green and Hatch. Budna lies on the border between Central Bedfordshire and the Borough of Bedford....

, Hatch

Hatch, Bedfordshire

Hatch is a hamlet in Bedfordshire, England.The settlement forms part of the Northill parish in Central Bedfordshire. Budna and Thorncote Green are located near to Hatch....

, Langford

Langford, Bedfordshire

Langford is a village and civil parish situated alongside the River Ivel in the county of Bedfordshire.-Origins:The village is of Saxon origin, first mentioned in 944AD. and at one time it had one or more fording points across the river. The name is based on the words long ford from the length of...

, Lower Caldecote

Lower Caldecote

Lower Caldecote is a hamlet located in the Central Bedfordshire district of Bedfordshire, England. It also forms part of the Northill civil parish...

, Northill

Northill

Northill is a village and civil parish in the county of Bedfordshire, England. It falls under the Northill and Blunham ward in the Central Bedfordshire local authority. As of 2001 Northill had a population of about 900 people. The village is also the administrative centre of the civil parish of...

, Upper Caldecote

Upper Caldecote

Upper Caldecote is a village located in the Central Bedfordshire district of Bedfordshire, England. It also forms part of the Northill civil parish. The nearest town to Upper Caldecote is Biggleswade....

| Central Bedfordshire

Central Bedfordshire

Central Bedfordshire is a unitary authority in the ceremonial county of Bedfordshire, England. It was created from the merger of Bedfordshire County Council, Mid Bedfordshire and South Bedfordshire on 1 April 2009...

|-
! SG19
| SANDY
| Potton

Potton

Potton is a town and civil parish in Bedfordshire, England. It is 10 miles from Bedford and the population in 2001 was 4,473 people. In 1783 the 'Great Fire of Potton' destroyed a large part of the town. The parish church dates from the 13th Century and is dedicated to St Mary...

, Sandy

Sandy, Bedfordshire

Sandy is a small market town and civil parish in Bedfordshire, England. It is between Cambridge and Bedford, and on the A1 road from London to Edinburgh. The area is dominated by a range of hills known as the Sand Hills. The River Ivel runs through Sandy. The dedication of the Anglican church is to...

| Central Bedfordshire

Central Bedfordshire

Central Bedfordshire is a unitary authority in the ceremonial county of Bedfordshire, England. It was created from the merger of Bedfordshire County Council, Mid Bedfordshire and South Bedfordshire on 1 April 2009...

|}