The SL postcode area, also known as the Slough postcode area, is a group of postcode districts around Ascot

Ascot, Berkshire

Ascot is a village within the civil parish of Sunninghill and Ascot, in the Royal Borough of Windsor and Maidenhead, Berkshire, England. It is most notable as the location of Ascot Racecourse, home of the prestigious Royal Ascot meeting...

, Bourne End

Bourne End, Buckinghamshire

Bourne End is a village predominantly in the parish of Wooburn and Bourne End, but also in the parish of Little Marlow, in Buckinghamshire, England. It is situated close to the border with Berkshire, near where the River Wye meets the River Thames...

, Gerrards Cross

Gerrards Cross

Gerrards Cross is a village in Buckinghamshire, England. It is in the south of the county, near the border with Greater London, south of Chalfont St Peter. Gerrards Cross is also a civil parish within South Bucks district, which was known as the Beaconsfield district from 1974 to 1980...

, Iver

Iver

Iver is in the south-east corner of the English county of Buckinghamshire and it forms one of the largest civil parishes in the South Bucks district.Iver railway station is in Richings Park.-Etymology:...

, Maidenhead

Maidenhead

Maidenhead is a town and unparished area within the Royal Borough of Windsor and Maidenhead, in Berkshire, England. It lies on the River Thames and is situated west of Charing Cross in London.-History:...

, Marlow

Marlow, Buckinghamshire

Marlow is a town and civil parish within Wycombe district in south Buckinghamshire, England...

, Slough

Slough

Slough is a borough and unitary authority within the ceremonial county of Royal Berkshire, England. The town straddles the A4 Bath Road and the Great Western Main Line, west of central London...

 and Windsor

Windsor, Berkshire

Windsor is an affluent suburban town and unparished area in the Royal Borough of Windsor and Maidenhead in Berkshire, England. It is widely known as the site of Windsor Castle, one of the official residences of the British Royal Family....

 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...

.The main sorting office

Sorting office

Sorting office or Processing and Distribution Center is any location where postal operators bring mail after collection for sorting into batches for delivery to the addressee, which may be a direct delivery or sent onwards to another regional or local sorting office, or to another postal...

 is in Greenford (Green Park Way).

Coverage

The approximate coverage of the postcode districts:
|-
! SL0
| IVER
| Iver

Iver

Iver is in the south-east corner of the English county of Buckinghamshire and it forms one of the largest civil parishes in the South Bucks district.Iver railway station is in Richings Park.-Etymology:...

, Iver Heath, Richings Park, Thorney

Thorney, Buckinghamshire

Thorney is a hamlet in the parish of Iver, in Buckinghamshire, England....

| South Bucks

South Bucks

South Bucks is one of four local government districts in the non-metropolitan county of Buckinghamshire, in South East England.The district was formed on 1 April 1974 by the Local Government Act 1972, by the amalgamation of the area of Beaconsfield Urban District with part of Eton Rural District...

|-
! SL1
| SLOUGH
| Burnham

Burnham, Buckinghamshire

Burnham is a village and civil parish that lies north of the River Thames in the South Bucks District of Buckinghamshire, and sits on the border with Berkshire, between the towns of Maidenhead and Slough. It is served by Burnham railway station in the west of Slough on the main line between London...

, Littleworth, Salt Hill

Salt Hill

Salt Hill is a district within the unitary authority of Slough in Berkshire in the south of England, close to London. Before 1974, Salt Hill was part of Buckinghamshire...

, Slough

Slough

Slough is a borough and unitary authority within the ceremonial county of Royal Berkshire, England. The town straddles the A4 Bath Road and the Great Western Main Line, west of central London...

, Upton

Upton, Slough

Upton is a suburb of Slough in Berkshire, England. Until the local government reforms of 1974 it was in Buckinghamshire. It was one of the villages that developed into the town.-History:...

, Cippenham

Cippenham

Cippenham is a suburb of the unitary authority of Slough in the county of Berkshire, England. It was transferred to Berkshire from Buckinghamshire in 1974.The name, Cippenham derives from the old English Cippan-ham, meaning Cippa's homestead....

| South Bucks, Slough
|-
! SL2
| SLOUGH
| Farnham Common

Farnham Common

Farnham Common is a village in the parish of Farnham Royal, in Buckinghamshire, England, about 3 miles north of the town of Slough, on the A355 road between Slough and Beaconsfield. It is to the north of the village of Farnham Royal, and adjoins the woodland of Burnham Beeches.Lois Allan invented...

, Farnham Royal

Farnham Royal

Farnham Royal is a village and civil parish within the South Bucks district of Buckinghamshire, England. It is located in the south of the county, around 22 miles west of Charing Cross, Central London....

, Hedgerley

Hedgerley

Hedgerley is a village and civil parish in South Bucks district in Buckinghamshire, England. The parish is west of Gerrards Cross and south-east of Beaconsfield...

, Stoke Poges

Stoke Poges

Stoke Poges is a village and civil parish in the South Buckinghamshire district of Buckinghamshire, England. It is in the south of the county, about three miles north of Slough and a mile east of Farnham Common....

| South Bucks
|-
! SL3
| SLOUGH
| Colnbrook

Colnbrook

Colnbrook is a large village in the unitary authority of Slough, in Berkshire, England. It is situated southeast of central Slough, east of Windsor and west of central London....

, Datchet

Datchet

Datchet is an English Thameside village and civil parish situated in the unitary authority of Windsor and Maidenhead in the county of Berkshire. It was transferred to Berkshire from Buckinghamshire in 1974....

, Fulmer

Fulmer

Fulmer is a village and civil parish in South Buckinghamshire district in Buckinghamshire, England. The village is now contiguous with Gerrards Cross but remains administratively separate....

, George Green

George Green

George Green was a British mathematical physicist who wrote An Essay on the Application of Mathematical Analysis to the Theories of Electricity and Magnetism...

, Horton

Horton, Berkshire

Horton is a village and civil parish in Berkshire, England. It is located between Windsor and Staines. Horton was transferred from Buckinghamshire to Berkshire in 1974. Through the Horton parish flows the Colne Brook which runs to the River Thames from the River Colne.The village name is a common...

,
Langley, Poyle

Poyle

Poyle is a village and suburb in the unitary authority of Slough, in South East England. It is situated immediately west of the M25 motorway and 16.8 miles west of Charing Cross in London.-History:...

| Slough, South Bucks,
Windsor and Maidenhead
|-
! SL4
| WINDSOR
| Boveney

Boveney

Boveney is a village in Buckinghamshire, England, near Windsor.The village name is Anglo Saxon in origin and means 'above island'. This refers to the island that sits in the River Thames next to the village...

, Clewer

Clewer

Clewer is an ecclesiastical parish and region of Windsor making up three wards of the Royal Borough of Windsor and Maidenhead in the English county of Berkshire.-History:...

, Cranbourne

Cranbourne, Berkshire

Cranbourne is a village in Berkshire, England, within the civil parish of Winkfield in the borough of Bracknell Forest.The settlement lies near to Windsor Great Park and Legoland Windsor, and is approximately south-west of Windsor. Neither Cranbourne Chase nor Cranbourne Lodge, which it surrounds,...

, Dorney

Dorney

Dorney is a village and civil parish within South Bucks district in the English county of Buckinghamshire, near Slough and about two and a half miles west of Eton.The village name is Old English and means "island frequented by bumble bees"...

, Eton

Eton, Berkshire

Eton is a town and civil parish in Berkshire, England, lying on the opposite bank of the River Thames to Windsor and connected to it by Windsor Bridge. The parish also includes the large village of Eton Wick, 2 miles west of the town, and has a population of 4,980. Eton was in Buckinghamshire until...

, Eton Wick

Eton Wick

Eton Wick is a village in the English county of Berkshire on the western outskirts of London, immediately north of the River Thames. It is located very close to both the historic towns of Windsor and Eton, as well as Slough and Dorney Lake, the planned rowing venue for the 2012 Olympics...

, Fifield

Fifield, Berkshire

Fifield is a village in the civil parish of Bray in the English county of Berkshire.The settlement lies near to the junction of the M4 and A404 motorways, and is situated approximately from Maidenhead and Windsor ....

, Oakley Green

Oakley Green

Oakley Green is a village in Berkshire, England. Its name is derived from "Oak Clearing," and a green used by farmers from the nearby parish of Bray.- History :...

, Old Windsor

Old Windsor

Old Windsor is a large village and civil parish in the Royal Borough of Windsor and Maidenhead in the English county of Berkshire.-Location:...

, Spital, Windsor, Berkshire

Windsor, Berkshire

Windsor is an affluent suburban town and unparished area in the Royal Borough of Windsor and Maidenhead in Berkshire, England. It is widely known as the site of Windsor Castle, one of the official residences of the British Royal Family....

, Winkfield

Winkfield

Winkfield is a village and civil parish in the Bracknell Forest unitary authority of Berkshire, England.-Geography:According to the 2001 census, the parish had a population of 15,271...

, Woodside

Woodside, Berkshire

Woodside is a hamlet in Berkshire, England, within the civil parishes of Winkfield and Sunninghill and Ascot in the boroughs of Bracknell Forest and Royal Borough of Windsor and Maidenhead....

.
| Bracknell Forest

Bracknell Forest

Bracknell Forest is a unitary authority and borough in Berkshire in southern England. It covers the towns of Bracknell, North Ascot, Sandhurst, Crowthorne and surrounding villages and hamlets.-History:...

, South Bucks, Slough, Windsor and Maidenhead
|-
! SL5
| ASCOT
| Ascot

Ascot, Berkshire

Ascot is a village within the civil parish of Sunninghill and Ascot, in the Royal Borough of Windsor and Maidenhead, Berkshire, England. It is most notable as the location of Ascot Racecourse, home of the prestigious Royal Ascot meeting...

, Burleigh

Burleigh, Berkshire

Burleigh is a village in Berkshire, England, within the civil parish of Warfield.The settlement lies east of the A332 road and is approximately west of Ascot Racecourse....

, Cheapside

Cheapside, Berkshire

Cheapside is a village in the civil parish of Sunninghill and Ascot in the Royal Borough of Windsor and Maidenhead in the English county of Berkshire. It is just outside Ascot, one of the UK's most famous locations for horse racing. It is home to the Thatched Tavern pub. The American actor, William...

, North Ascot

North Ascot

North Ascot is an area of Ascot in the county of Berkshire in England. It lies north of the A329 and west of the A332, adjoining the famous racecourse, Heatherwood Hospital and the village of Burleigh.- Local government :...

, South Ascot

South Ascot

South Ascot is a village just south of and down the hill from the small town of Ascot in the English county of Berkshire. It is bounded on the west by the Kingsride area of Swinley Woods, on the north by the Reading to Waterloo railway line and merges with Sunninghill to the east.- Local government...

, Sunningdale

Sunningdale

Sunningdale is a large village and civil parish in the Royal Borough of Windsor and Maidenhead in Berkshire, England.-Location:Sunningdale is located close to the present border with Surrey, and is not far from Ascot, Sunninghill and Virginia Water. It is situated 24 miles west of London and 7...

, Sunninghill

Sunninghill, Berkshire

Sunninghill is a village in the civil parish of Sunninghill and Ascot in the Royal Borough of Windsor and Maidenhead in the English shire county of Berkshire-Location:...

| Windsor and Maidenhead
|-
! SL6
| MAIDENHEAD
| Bray

Bray, Berkshire

Bray, sometimes known as Bray on Thames, is a village and civil parish in the English county of Berkshire. It stands on the banks of the River Thames, just south-east of Maidenhead. It is famous as the village mentioned in the song The Vicar of Bray...

, Bray Wick

Bray Wick

Bray Wick is a village in Berkshire, England....

, Burchett's Green

Burchett's Green

Burchetts Green is a small village to the west of Maidenhead in the English county of Berkshire. It is half in the civil parish of Hurley and half in the civil parish of Bisham....

, Cookham

Cookham

Cookham is a village and civil parish in the north-easternmost corner of Berkshire in England, on the River Thames, notable as the home of the artist Stanley Spencer. It lies north of Maidenhead close to the border with Buckinghamshire...

, Cookham Dean

Cookham Dean

Cookham Dean is a settlement to the west of the village of Cookham in Berkshire, England. It is the highest point of all the Cookhams -Commerce:...

, Cookham Rise, Furze Platt, Hitcham

Hitcham, Buckinghamshire

Hitcham was a village in Buckinghamshire, England. Today it is indistinguishable from the extended village of Burnham and is no longer marked on Ordnance Survey 1:50000 maps as a separate settlement. It is to the west of Burnham, adjacent to the common on which Burnham Beeches stands.The village...

, Holyport

Holyport

Holyport is a village in the civil parish of Bray, about 2 miles south of Maidenhead in the English county of Berkshire.-Amenities:Despite its size, Holyport possesses a small retail area...

, Hurley

Hurley, Berkshire

Hurley is a village and civil parish in the English county of Berkshire.Hurley is famous for its proximity to the River Thames. It is also within easy reach of Henley-on-Thames, Oxford and London. The parish includes the villages and hamlets of Cockpole Green, Warren Row, Knowl Hill, Burchett's...

, Hurley Bottom, Littlewick Green

Littlewick Green

Littlewick Green is a small village in the north of the civil parish of White Waltham in the English county of Berkshire, located near Maidenhead....

,
Maidenhead, Paley Street, Pinkneys Green

Pinkneys Green

Pinkneys Green is a village within the north-western bounds of the town of Maidenhead in the English county of Berkshire.-Location:Pinkneys Green is located at , just north-east of the A404 road and north-west of Highway. Stubbings is to the west and Bisham and Cookham Dean some way to the...

, Stud Green, Taplow

Taplow

Taplow is a village and civil parish within South Bucks district in Buckinghamshire, England. It sits on the east bank of the River Thames facing Maidenhead on the opposite bank. Taplow railway station is situated near the A4 south of the village....

, Touchen End,
White Waltham

White Waltham

White Waltham is a village and civil parish, west of Maidenhead, in the Royal Borough of Windsor and Maidenhead in the English county of Berkshire. It has a population of 2,875, and is the location of White Waltham Airfield.-Extent:...

, Woodlands Park.
| South Bucks, Windsor and Maidenhead.
|-
! SL7
| MARLOW
| Bisham, Little Marlow

Little Marlow

Little Marlow is a village and civil parish in Buckinghamshire, England.It is on the north bank of the River Thames, about a mile east of Marlow. The toponym "Marlow" is derived from the Old English for "land remaining after the draining of a pool"...

, Lower Woodend, Buckinghamshire, Marlow

Marlow, Buckinghamshire

Marlow is a town and civil parish within Wycombe district in south Buckinghamshire, England...

, Marlow Bottom

Marlow Bottom

Marlow Bottom is a large linear village occupying a valley to the north of Marlow, Buckinghamshire. It is also a civil parish in Wycombe district having been created in November 2007. Formerly it was part of the parish of Great Marlow....

, Medmenham

Medmenham

Medmenham is a village and civil parish in the Wycombe district of Buckinghamshire, England. It is on the River Thames, about three and a half miles southwest of Marlow and three miles east of Henley-on-Thames....

.
| South Bucks, Windsor and Maidenhead
|-
! SL8
| BOURNE END
| Bourne End

Bourne End, Buckinghamshire

Bourne End is a village predominantly in the parish of Wooburn and Bourne End, but also in the parish of Little Marlow, in Buckinghamshire, England. It is situated close to the border with Berkshire, near where the River Wye meets the River Thames...

, Well End, Buckinghamshire

Well End, Buckinghamshire

Well End is a hamlet in the parish of Little Marlow, in Buckinghamshire, England. It is situated on the north-west side of the village of Bourne End...

| South Bucks
|-
! SL9
| GERRARDS CROSS
| Chalfont Common

Chalfont Common

Chalfont Common is a hamlet in Buckinghamshire, England. It is located in the Chiltern Hills, to the north of Chalfont St Peter....

, Chalfont St Peter

Chalfont St Peter

Chalfont St Peter is a village and civil parish in Chiltern district in south-east Buckinghamshire, England. It is in a group of villages called The Chalfonts which also includes Chalfont St Giles and Little Chalfont. The villages lie between High Wycombe and Rickmansworth. Chalfont St Peter is...

, Gerrards Cross

Gerrards Cross

Gerrards Cross is a village in Buckinghamshire, England. It is in the south of the county, near the border with Greater London, south of Chalfont St Peter. Gerrards Cross is also a civil parish within South Bucks district, which was known as the Beaconsfield district from 1974 to 1980...

, Horn Hill
| South Bucks
|-
! SL95
| SLOUGH
| non-geographic (Royal Mail)
|
|}