About Postcode Checker

Postcode Checker is a free tool for looking up any UK postcode. Enter a postcode and we'll show you where it is, which council and constituency it belongs to, its coordinates, and the postcodes nearby.

Our directory covers 1,827,826 postcodes across 2,974 postcode districts, 1,448 towns and 128 counties in England, Scotland, Wales and Northern Ireland.

You can check a postcode from any page using the box at the top, or browse by county.