UK Postcode to Locality Names

This instant download contains every UK postcode, and where applicable, the Localities featured within Royal Mail’s Postcode Address File (PAF).  Specifically featuring both “Postal Required” and “Postal Not Required” Locality names, Post Town names, X & Y Coordinates, and Latitude & Longitude for all 1.9 million UK Postcodes.  The content is updated quarterly to ensure they are current, and our clients receive an inclusive complete refresh every three months as part of the service, for no additional fee.

Localities are geographic place names which have no physical boundary defined but are used locally to differentiate different areas within a town. Royal Mail do not require the use of all Locality names for the effective delivery of post, however locals and visitors to an area will know and refer to these locality names often.  These locality place names are often seen on maps and signs.


The Postcode to Localities list is ideal for relating Postcodes and address information to their relevant Traditional Administrative Locality. The data is therefore essential for allocating customers or for sales leads to sales areas which are defined by Locality or for assessing demand for Locality based local services and overlaying local information to applications such as mapping.


You’ll initially receive one compressed file (ZIP), which opens into several Comma Separated Variable (CSV) files.  CSV files will open with most software applications, including but not limited to Excel, Word, Notepad, Access, SQL etc.   If you require the data supplied in another format then we will be more than happy to try and accommodate you at no extra cost.

Data fields present within the product file:

  • Postcode (AB12 3GA)
  • Postcode Sector (AB12 3)
  • Postcode District (AB12)
  • Postcode Area (AB)
  • Double Dependent Locality Name (Gateway Business Park)
  • Dependent Locality Name (Nigg)
  • Post Town (ABERDEEN)
  • X Coordinate (393882)
  • Y Coordinate (800061)
  • Latitude (57.091483)
  • Longitude (-2.102598)

If you require address fields in addition to the Locality, consider the Royal Mail’s Part PAF or Full PAF file.


The Postcode Locality list covers the United Kingdom (England, Scotland, Wales and Northern Ireland).  Currently PAF holds has approximately 30,000 Localities in the UK.  As there are 1.9 million postcodes and only 30,000 Localities, you will appreciate that a majority of the postcodes listed within this download are assigned a blank Locality.

A Locality consists of a Post Town, with Dependent Locality and Double Dependent Locality further defining the geographic area where required. The Post Town will always be present all Localities have a Post Town. For some Localities this will be the only element present. A Double Dependent Locality can only be present where a Dependent Locality is present.

To illustrate, the Full Postcode database shows which Postally Required Locality each Postcode belongs to, for example “Littlewick Green”, “Burchetts Green” and “White Waltham” in Postcodes starting with SL6 3. The Postcode Sector list also shows these, but also shows 11 additional  Localities for the Sector SL6 3, including places such as Holloway, Maidenhead Thicket, Woodlands Park, Littlefield Green and so on.


Downloads are supplied as licensed products, allowing unlimited reuse of the file content for 12 months.    You may cancel the licence at any time without penalty.  The licence fee you pay covers the considerable effort taken to compile and update the product, including our manual correction and verification, and finally verification against the latest Royal Mail and Ordnance Survey databases. On or before the 11th month, we will write to you, offering to extend the licence for a further 12 months or to let it expire.


As part of the fee paid, we will automatically send you a full product file refresher every 3 months for no additional fee.  This will ensure the postcodes and associated content remains current.


We have developed internal quality processes to help ensure the data you purchase is fit for purpose.  If you are for some reason not satisfied with the data or our work, we offer a no quibble refund in exchange for your feedback.

Buy now…

£80.00£4,600.00 / year

Instant Download: A link to the data, is emailed upon payment.  We will also email a link to the updated version of this file every three months (included in the fee you pay).  Currently Royal Mail do not offer an Organisation Licence option for this file.  If you require an Organisation Licence you should consider the Full PAF file.

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