Postal_area

List of postcode areas in the United Kingdom

List of postcode areas in the United Kingdom

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The list of postcode areas in the United Kingdom is a tabulation of the postcode areas used by Royal Mail for the purposes of directing mail within the United Kingdom. The postcode area is the largest geographical unit used and forms the initial characters of the alphanumeric UK postcode.[1] There are currently 121 geographic postcode areas in use in the UK and a further three often combined with these covering the Crown Dependencies of Guernsey, Jersey and Isle of Man.

Subdivision

Each postcode area is further divided into post towns and postcode districts.[1] There are on average 20 postcode districts to a postcode area.[1] The London post town is instead divided into several postcode areas.[2]

Scope

The single or pair of letters chosen for postcode areas are generally intended as a mnemonic for the places served.[1] Postcode areas, post towns and postcode districts do not follow political boundaries and usually serve much larger areas than the place names with which they are associated. For example, within the PA postcode area the PA1 and PA78 postcode districts are 140 miles (225 km) apart; and the eight postcode areas of the London post town cover only 40% of Greater London.[2] The remainder of its area is covered by sections of twelve adjoining postcode areas: EN, IG, RM, DA, BR, TN, CR, SM, KT, TW, HA and UB.[2]

United Kingdom postcode areas

Map of postcode areas in the United Kingdom and Crown dependencies, with links to each postcode area
More information Postcode area, Postcode area name ...

Crown dependencies

The Crown dependencies (which are not part of the United Kingdom) did not introduce postcodes until later, but use a similar coding scheme. They are separate postal authorities.[1]

More information Postcode area, Postcode area name ...

Defunct postcode areas

London NE and S

Further information: London postal district § Abolition of NE and S divisions and retraction of E division

Glasgow

Glasgow, like London, was divided into compass districts: C, W, NW, N, E, SE, S, SW. When postcodes were introduced, these were mapped into the new G postcode: C1 became G1, W1 became G11, N1 became G21, E1 became G31, S1 became G41, SW1 became G51, and so on. As NW and SE had never been subdivided they became G20 and G40 respectively.

Norwich and Croydon

Norwich and Croydon were used for a postcode experiment in the late 1960s, which was replaced by the current system. The format was of the form NOR or CRO followed by two numbers and a letter, e.g. NOR 07A. They were later changed to CR0 (digit '0') and NR1.

Dublin, Ireland

When Ireland was a part of the United Kingdom of Great Britain and Ireland a postal district system was introduced in 1917 by the UK government. The letter D was assigned to Dublin. Upon the establishment of the Irish Free State and later, the Republic of Ireland, the Irish government retained the designation and today it forms part of the Eircode system, a postcode format slightly different from the UK format and identifying individual addresses. Since Irish independence, D has never been reassigned as a postcode area in the UK.

Non-geographic postcodes

Further information: Postcodes in the United Kingdom § Non-geographic codes

Some postcode areas do not correspond to geographical areas. A number of non-geographic postcode sectors are also contained within geographic postcode areas.

BF

The BF postcode area was introduced in 2012 to provide optional postcodes for British Forces Post Office addresses, for consistency with the layout of other UK addresses. It uses the national non-geographic post town "BFPO" and, as of 2012, the postcode district "BF1".

BX

The non-geographic postcode area BX has been introduced for addresses which do not include a locality; this allows large organisations long-term flexibility as to where they receive their mail. This postcode area is used by Lloyds Banking Group (BX1 1LT), HSBC (BX8 0HB) and parts of HM Revenue and Customs like VAT (BX5 5AT) and Pay As You Earn (BX9 1AS). Lloyds Bank also use BX4. After splitting from Lloyds, TSB Bank uses BX4 7SB, the latter part of which, when written, looks similar to "TSB".

GIR

GIR 0AA is a postcode created for Girobank in Bootle. It remained in use by its successors when Girobank was taken over by Alliance & Leicester and subsequently by Santander UK.

XM

XM4 5HQ is a postcode created for Father Christmas.

XX

The non-geographic postcode area XX is used by online retailers for returns by Royal Mail, and for COVID-19 test samples.

More information Retailer (or other user), XX Postcodes ...

Overseas territories

Certain British Overseas Territories introduced single postal codes for their territory or major sub-sections of it. These are not UK postcodes, even though many are formatted in a similar fashion:

More information Territory, Postcode ...

Other overseas territories have introduced their own more extensive postcode systems:

More information Overseas Territory, Further information ...

Civilian residential and business addresses in Akrotiri and Dhekelia are served by Cyprus Postal Services and use Cypriot postal codes.

Mail to Overseas Territories is treated as international if posted in the UK.

See also

Notes

    References

    1. [1]
      Address Management Guide (5th ed.). Royal Mail Group plc. March 2007. Archived from the original on 8 November 2012. Retrieved 22 October 2012.
    2. [2]
      HMSO, The Inner London Letter Post, (1980)
    3. [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. Archived (PDF) from the original on 30 October 2012. Retrieved 22 October 2012.
    4. [4]
      Manger, Warren (26 August 2014). "40 facts about the postcode to mark 40th anniversary as vital part of daily life". Mirror. Archived from the original on 16 March 2018. Retrieved 16 March 2018.
    5. [5]
      "History of the UK Postcode - Modern Origin". Postcode Area. Archived from the original on 18 October 2017. Retrieved 16 March 2018.
    6. [6]
      "Postcodes in the UK". Jonathan Rawle's Website. 3 July 2006. Archived from the original on 29 April 2018. Retrieved 29 April 2018.
    7. [7]
      Amazon Help [@AmazonHelp] (24 October 2016). "@MarkWickson This postcode is a non-geographic code used by us for returns carried by Royal Mail to our returns center Dunfermline, SCT. ^SW" (Tweet) – via Twitter.
    8. [8]
      "Anguilla Has a Postal Code, AI-2640". The Anguillian. 12 October 2007. Archived from the original on 14 May 2010.
    9. [9]
      "First postcode for remote UK isle". BBC News. 7 August 2005. Archived from the original on 24 December 2008.
    10. [10]
      "Rammell welcomes new Postcode for the Falkland Islands". Merco Press. 19 May 2003.
    11. [11]
      Turks and Caicos Islands Archived 10 April 2008 at the Wayback Machine. Bureau International UPU.
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