SO_postcode_area

SO postcode area

SO postcode area

Postcode area within the United Kingdom

The SO postcode area, also known as the Southampton postcode area,[2] is a group of 23 postcode districts in southern England, within nine post towns. These cover south and central Hampshire, including Southampton, Winchester, Alresford, Brockenhurst, Eastleigh, Lymington, Lyndhurst, Romsey and Stockbridge.

Template:Attached KML/SO postcode area
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Quick Facts Southampton, Country ...

The SO area originally had both single and double-digit postcode districts.[3] From the inception of postcodes in Southampton, "large users" within the SO1 and SO2 postcode areas (which broadly covered the area of the city) were allocated SO9 postcodes.[4] In the early 1990s, a shortage of available postcodes occurred due to increased demand.[5] On 1 December 1993 Royal Mail took the step of dividing each of the existing single-digit districts, the numbers of the new subdivisions containing two digits rather than one. For example, the SO1 and SO2 districts were divided into SO14-19.[6] At the same time, ordinary "geographical" postcodes replaced the SO9 codes. Whilst this created thousands more possible postcode combinations, it resulted in the unusual situation where the centre of the postcode area, Southampton, lacks a district numbered 1. The area is one of only a few in the country where this is the case.

Coverage

The approximate coverage of the postcode districts:

More information Postcode district, Post town ...

Map

KML file (edit • help)
Template:Attached KML/SO postcode area
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SO postcode area map, showing postcode districts in red and post towns in grey text, with links to nearby BH, GU, PO, RG and SP postcode areas.

See also

References

  1. [1]
    "ONS Postcode Directory Version Notes" (ZIP). National Statistics Postcode Products. Office for National Statistics. May 2020. Table 2. Retrieved 19 June 2020. Coordinates from mean of unit postcode points, "Code-Point Open". OS OpenData. Ordnance Survey. February 2012. Retrieved 21 April 2012.
  2. [2]
    Royal Mail, Address Management Guide, (2004)
  3. [3]
    Geographers' A-Z Map Co., Ltd, Street Atlas of Southampton, (1991)
  4. [4]
    Kelly's Directory (1970) gives the address of the Head Post Office as 59 High Street, SO9 1AA.
  5. [5]
    "Postcodes". Geographical Referencing Learning Resources. National Centre for Research Methods / University of Southampton. Retrieved 11 December 2021.
  6. [6]
    Geographers' A-Z Map Co., Ltd, Street Atlas of Southampton, (1991)
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