SO postcode area

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Postcode district boundaries:

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Southampton
United Kingdom adm location map.svg
Red pog.svg
SO
Coordinates: 50°56′17″N1°23′20″W / 50.938°N 1.389°W / 50.938; -1.389
CountryUnited Kingdom
Postcode area
SO
Postcode area name
Southampton
Post towns 9
Postcode districts 30
Postcode sectors179
Postcodes (live)18,298
Postcodes (total)40,011
Statistics as at May 2020 [1]

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.

Contents

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:

Postcode district Post town CoverageLocal authority area(s)
SO14SOUTHAMPTON City Centre, St. Mary's, Newtown, Nicholstown, Northam Estate, Ocean Village, Chapel, Eastern Docks, Bevois Valley Southampton
SO15SOUTHAMPTON Shirley, Freemantle, Banister Park, Polygon, Millbrook, Redbridge Southampton
SO16SOUTHAMPTON Bassett, Lordswood, Lordshill, Redbridge, Rownhams, Nursling, Chilworth, Shirley WarrenSouthampton, Test Valley
SO17SOUTHAMPTON Highfield, Portswood, St Denys, Swaythling Southampton
SO18SOUTHAMPTON Bitterne, Bitterne Park, Harefield, Townhill Park, Chartwell Green, Mansbridge, Southampton Airport Southampton, Eastleigh
SO19SOUTHAMPTON Sholing, Thornhill, Woolston, Weston Southampton
SO20STOCKBRIDGE Stockbridge, King's Somborne, Middle Wallop Test Valley
SO21WINCHESTER Compton, Colden Common, Easton, Hursley, Itchen Abbas, Martyr Worthy, Micheldever, Owslebury, Shawford, South Wonston, Sutton Scotney, Sparsholt, Twyford Winchester
SO22WINCHESTER Badger Farm, Fulflood, Hursley, Littleton and Harestock, Olivers Battery, Pitt, St Cross (W), Stanmore, WeekeWinchester
SO23WINCHESTERCity Centre, Abbotts Barton, Bar End, Highcliffe, Hyde, St Cross (E), Winnall Winchester
SO24ALRESFORD New Alresford, Old Alresford, Cheriton, Tichborne, Ropley Winchester
SO25WINCHESTERBulk usersnon-geographic
SO30SOUTHAMPTON Botley, Hedge End, West End, Curbridge Eastleigh, Winchester
SO31SOUTHAMPTON Warsash, Hamble-le-Rice, Locks Heath Netley Abbey Eastleigh, Fareham
SO32SOUTHAMPTON Bishop's Waltham, Corhampton, Curdridge, Droxford, Durley, Exton, Meonstoke, Shedfield, Soberton, Swanmore, Upham, Warnford, Wickham Winchester, Eastleigh
SO40SOUTHAMPTON Totton, Cadnam, Marchwood New Forest
LYNDHURST Lyndhurst
SO41LYMINGTON Lymington, Milford-on-Sea, Pennington, Boldre, Hordle, Sway New Forest
SO42BROCKENHURST Beaulieu, Brockenhurst, East Boldre New Forest
SO43LYNDHURST Lyndhurst, Minstead, Bramshaw New Forest
SO45SOUTHAMPTON Hythe, Fawley, Blackfield, Calshot, Hardley New Forest
SO50EASTLEIGHTown Centre, Fair Oak, Bishopstoke, Horton Heath Eastleigh
SO51ROMSEY Romsey, Ampfield, Lockerley, Mottisfont, Wellow Test Valley
SO52SOUTHAMPTON North Baddesley Test Valley
SO53EASTLEIGH Chandler's Ford Eastleigh, Test Valley
SO97SOUTHAMPTON Jobcentre Plus non-geographic

Map

KML file (edithelp)
    KML is from Wikidata
    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. SO postcode area map.svg
    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

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    References

    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. Royal Mail, Address Management Guide, (2004)
    3. Geographers' A-Z Map Co., Ltd, Street Atlas of Southampton, (1991)
    4. Kelly's Directory (1970) gives the address of the Head Post Office as 59 High Street, SO9 1AA.
    5. "GEO-REFER Learning Resources Repository: Postcodes". University of Southampton. Retrieved 7 August 2009.
    6. Geographers' A-Z Map Co., Ltd, Street Atlas of Southampton, (1991)