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Postcode district boundaries:

KML is from Wikidata

The SM postcode area, also known as the Sutton postcode area,[2][3] is a group of seven postcode districts in England for five post towns. These cover part of south-west London and in north Surrey Banstead post town and minor incursions into Ewell.

Sutton postcode area
SM is located in the United Kingdom
Postcode areaSM
Postcode area nameSutton
Post towns5
Postcode districts7
Postcode sectors29
Postcodes (live)4,424
Postcodes (total)6,357
Statistics as at February 2012[1]

The main sorting office is in Sutton, staff sort outgoing in Croydon. The area includes most of the London Borough of Sutton; most of SM4 covers the southwestern part of the London Borough of Merton and most of SM7 and a small part of SM2 cover the northern end of the borough of Reigate and Banstead in Surrey. SM2 also covers much of East Ewell, a large neighbourhood in the borough of Epsom and Ewell.

Explanation for the M in the postcode is unknown, speculation is that it derives from Morden the second post town in the series which runs SM1 to SM7.


The approximate coverage of the postcode districts:[2]

Postcode district Post town Coverage Local authority area
SM1 SUTTON Sutton, Rosehill, Parts of The Wrythe and Carshalton, Benhilton and Erskine Village, the eastern part of Sutton Common Sutton
SM2 SUTTON Belmont, South Sutton, South Cheam, East Ewell Epsom and Ewell, Reigate and Banstead, Sutton
SM3 SUTTON The western part of Sutton Common, North Cheam, Stonecot Hill Epsom and Ewell, Sutton
SM4 MORDEN Morden, Morden Park, Lower Morden, St. Helier (West), Rosehill Merton, Sutton
SM5 CARSHALTON Carshalton, Carshalton Beeches, Carshalton on the Hill, The Wrythe, Rosehill, St. Helier (South), Little Woodcote Sutton
SM6 WALLINGTON Wallington, Beddington, Hackbridge, Roundshaw Sutton
SM7 BANSTEAD Banstead, Woodmansterne, Nork, Little Woodcote Reigate and Banstead, Sutton


KML is from Wikidata
SM postcode area map, showing postcode districts in red and post towns in grey text, with links to nearby CR, KT and SW postcode areas.

See alsoEdit


  1. ^ "ONS Postcode Directory Version Notes" (ZIP). National Statistics Postcode Products. Office for National Statistics. February 2012. Table 2. Retrieved 21 April 2012. Coordinates from mean of unit postcode points, "Code-Point Open". OS OpenData. Ordnance Survey. February 2012. Retrieved 21 April 2012.
  2. ^ a b Address Management Guide (5th ed.). Royal Mail Group plc. March 2007. Retrieved 28 October 2012.
  3. ^ Office for National Statistics (1999). The Official Yearbook of the United Kingdom (PDF) (2000 ed.). London: The Stationery Office. "UK Postal Areas", map opposite p. 5. ISBN 0-11-621098-2. Retrieved 28 October 2012.

External linksEdit

The Outer areas postcodes come under the county of Greater London.