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Supported Territories

UK territories covered by Royal Mail's Postcode Address File (PAF) and the Ideal Postcodes APIs

Updated 23 Nov 2020

The PAF dataset covers the UK only. This includes:

  • England
  • Scotland
  • Wales
  • Northern Ireland
  • Guernsey
  • Jersey
  • Isle of Man

Datapoints Returned by the API

With respect to our API the following datapoints are returned

Country Country Field (country) Post Town Field (post_town) Example Postcode (postcode) ISO Code (Alpha 2, 3)
England England Any English post town, e.g. LONDON SW1A 2AA GB or GBR
Scotland Scotland Any Scottish post town, e.g. ABERDEEN AB10 1BJ GB or GBR
Wales Wales Any Welsh post town, e.g. CARDIFF CF5 6HG GB or GBR
Northern Ireland Northern Ireland Any Northern Irish post town, e.g. BELFAST BT1 2JE GB or GBR
Guernsey Channel Islands Only GUERNSEY GY1 1BB GG or GGY
Jersey Channel Islands Only JERSEY JE1 1JP JE or JEY
Isle of Man Isle of Man Only ISLE OF MAN IM1 4AU IM or IMN

Patterns to Note

  • Guernsey and Jersey always return Channel Islands as the country field but Isle of Man returns Isle of Man
  • Guernsey always begin GY
  • Jersey postcodes always begin JE
  • Isle of Man postcodes always begin IM
  • Northern Ireland postcodes always begin BT
  • Guernsey, Isle of Man and Jersey post_town fields are the territories uppercased

Republic of Ireland

Republic of Ireland addressing data can be retrieved via the Eircodes dataset maintained by the Government of Ireland.

Unfortunately, we do not provide support for this dataset. Consider using a specialised data vendor.