Postal/Zip Codes in the UK

Posting a letter in the UK? The post code numbers for all addresses that make up the towns and villages of England, Wales, Scotland and Northern Ireland...

The postal code system in the UK can pinpoint a location precisely and is therefore used for accurate information about location.

The system is made up of a series of 5, 6 or 7 letters and numbers:

  • A1 1AA
  • A11 1AA
  • AA1 1AA
  • AA11 1AA
  • A1A 1AA
  • AA1A 1AA
Find a Postcode in the UK
  • The Royal Mail website includes a postcode finder: Click here
Postcodes/Zip Codes in London and the UK

The first letter or two letters indicate the general location. In London postcodes use the points of a compass making it is easy to know approximately where a building is:

  • E: East
  • EC: East Central
  • N: North
  • NW: Northwest
  • SE: Southeast
  • SW: Southwest
  • W: West
  • WC: West Central

Two 'compass' postcodes which are not in London are NE (Newcastle) and S (Sheffield).

The surrounding areas of London have the following postcodes:

  • BR - Bromley
  • CR - Croydon
  • DA - Dartford
  • EN - Enfield
  • HA - Harrow
  • IG - Ilford
  • KT - Kingston
  • RM - Romford
  • TN - Tonbridge
  • TW - Twickenham
  • UB - Uxbridge

The postal districts E1, N1, SE1, SW1, W1 are all in central London and the following districts in each postcode series are usually in alphabetical order.

Differences occur in SE postal districts because the S areas were include in SE when they were merged.

Postcodes around the country begin with the letters of the local post office district, for example BT for Belfast, CF for Cardiff, EH for Edinburgh, and M for Manchester.

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