Validate UK Postcode

Geoinformation, maps, downloads and statistics for UK Postcodes

Validate a UK Postcode

Use this page to validate a UK postcode against a list of known existing postcodes. Type the postcode below and click Validate. The result will then be displayed to confirm if the postcode is valid or not.

Example UK Postcode formats

Postcodes must be in uppercase. Each postcode consists of two parts. The first part (outward postcode, or outcode) is separated by a single space from the second part (the inward postcode, or in-code).

  • M1 1AA
  • M60 1NW
  • CR2 6XH
  • DN55 1PT
  • W1P 1HQ
  • EC1A 1BB