Questions? Contact our UK support team: 01492 539021 or 01492 539022


Installing and Using Postcode4u

If you have not done so already, the first stage in installing Postcodes4u is Signing Up for a Postcodes4u Account


Signing up is quick and easy and the process is instant.

Just Press 'Register' to get started....Once you have created your account you will be given a Postcode4u username and a Postcodes4u Key as well as 30 free credits to help you get started.

To set up your website you will need:

  • Your Postcodes4u User Name - shown at the top on the 'My Account' or 'Keys' page,
  • The Postcodes4u Key you wish to use  - These are listed on the Postcodes4u Keys page in the format XXXX-XXXX-XXXX-XXXX

Example 'My Account'->Lookup Keys Page showing Postcodes4u Username and Key Value. 

Easy Integration with Nop Commerce

If you want to add Postcodes4u address lookup to your Nop Commerce website you can download our free plugin HERE

When the plugin is activated, and you have added your Postcodes4u Key details, the UK Postcode lookup facility is added to you Store Checkout and Account information pages.

Add Address lookup to your WordPress Site

To add Postcodes4u address lookup to your WordPress site you can download our free plugin HERE

Once added to your site, and the Postcodes4u Key details have been set up, you are ready to go. You can activate our WooCommerce support that adds Postcode Lookup to the popular ECommerce store. We have also included a customisable contact form that includes Postcode Lookup.

For more advanced customisation options see our Developer API guide detailed below.

Custom Integration (Developer API)

For more advanced integration of the Postcodes4u Address Lookup into your website please go to our 'Developer' page by CLICKING HERE.

UK Help & Support

If you are having any difficulties getting Postcodes4 into your website do not hesitate to contact us HERE.


Get started in less than 5 minutes.


with a no obligation FREE trial