About Our Postcode Tools

Four great FREE tools to help you plan your distribution campaign.

Our postcode tools will allow you to work out which postcode you need to use in your direct mail campaigns, including the ability to find all postcodes in a radius of any starting point, and view accurate maps of the postcode regions.

How are postcodes structured?

A breakdown of the postcode CT16 3EH.
– CT is the postcode area
– CT16 is the postcode district
– CT16 3 is the postcode sector

Disclaimer: The Postcode Radius Tool can be used to map out a general area from a central point. This is a guide only. Selectabase does not guarantee 100% accuracy as postcode districts and mapping tools vary.