3-digit postal code United Kingdom

This dataset depicts the boundaries of all 3-digit postal code areas in the United Kingdom. This UK postal code system is developed by the UK national postal service (Royal Mail) to divide the United Kingdom into different areas. With this system each UK region gets a unique code and locations can be found easily.

Postal codes in the UK are also known as postcodes. The initial postcode system divided London and other large cities in the UK. A full postcode designates an area with a number of addresses or a single major delivery point.


This map depicts the boundaries of the 3-digit postal codes or districts in the United Kingdom. The 3-digit postal codes are part of the official 5-digit postal code system, which contains the following characteristics and features:

  • The first and second digit feature a specific local town or bigger metropolitan area, like London
  • The second one or two digits feature a specific region and are followed by a space
  • The last part of the UK postal codes consist of one number and two letters. This is called an arbitrary code.

    The current postal code (postal code) range of the United Kingdom (UK) is: AB1 – ZE3. The lowest 3-digit postal code (AB1) starts in Aberdeen, Scotland. The highest postal code (ZE3) covers the areas of Bush on the Shetland Islands.


    SourceUnited Kingdom Postal Service (Royal Mail)
    Year of coverage2015
    FormatCSV, Shapefile, KML, GEOJSON, XML

    Variables in this dataset

    When you purchase this dataset, you will receive data that draws all postal code areas on the map. Furthermore, you also get the following other features:

    • 3-digit postal code

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