WPForms
98The best WordPress contact form plugin. Drag & Drop form builder to create beautiful contact forms, paymen...
Free
5M+ installs 4.8★ (14,369)
Postcodes4U Address Finder
Requires WooCommerce at least: 2.2.3 Tested WooCommerce up to: 10.9.4 Tested ContactForm7 4.9.2 - 6.1.6 Tested Gravity Forms 2.4.15 - 2.10.
The facts
- Rating
- 4★ from 4
- Active installs
- 300+
- Price
- Free
- Last updated
- 27 Jul 2026
- Added
- Mar 2014
- Requires WP
- 3.0
- Tested up to
- WP 7.0.4
- Requires PHP
- 5.6.4
- Downloads
- 20,726
Our analysis
AI-assistedPostcodes4U Address Finder is a WordPress plugin that allows users to look up addresses using UK postcodes. It can be integrated into WooCommerce checkout pages, as well as forms created with Contact Form 7 and Gravity Forms. The plugin also includes a customisable contact form that supports postcode lookups.
This plugin is specifically designed for users in the UK, as it will not function for addresses in other countries. Users must register at the Postcodes4U website to obtain credits for postcode lookups, with an initial offer of 30 free credits upon registration.
Best for: This plugin is suitable for UK-based websites that require postcode address lookup functionality.
What it does well
- ✓Allows postcode address lookup for UK addresses
- ✓Integrates with WooCommerce, Contact Form 7, and Gravity Forms
- ✓Includes a customisable contact form with postcode lookup
- ✓User-friendly installation and removal
Where it falls short
- •Only works for UK addresses
- •Requires registration and purchase of lookup credits
Verdict
Postcodes4U Address Finder offers a straightforward solution for UK address lookups, but its reliance on credits may limit usage for some users.
From the developer
3XSoftware's own description of Postcodes4U Address Finder, lightly tidied.
Postcodes4U Address Finder Lets you look up an address using a UK Postcode.
It allows Postcode Address Lookup to be added to your WooCommerce Checkout pages as well as Contact Form 7 and Gravity Form pages.
Easy integration into any other WordPress Page.
Also includes our own customisable Contact Form with Postcode lookup that can be added to any of your pages.
Please Note
THIS POSTCODE LOOKUP IS A UK ONLY SERVICE SO WILL NOT WORK FOR ANY OTHER COUNTRY.
THIS PLUGIN REQUIRES YOU TO REGISTER AT: http://www.postcodes4u.co.uk
WHERE YOU WILL RECEIVE 30 FREE CREDITS ON REGISTRATION
Additional Lookup Credits Can Be Purchased From as little as 1.4p per Postcode Lookup – going up to 5p per Postcode Lookup Depending on the volume of Lookups Purchased.
Credits are purchased using your account at http://www.postcodes4u.co.uk.
If you wish to see how the Postcodes4u Postcode Lookup works before creating a Postcodes4u account, then use our ‘Test’ Postcodes
AA901XX, AA902XX, AA903XX and AA901XX.
Technical features:
- 100% user friendly, easy to install & remove
- Lightweight, clean code
- Works with WooCommerce 2.2.3 – 10.9.4
- ContactForm 7 v4.0 – v6.1.6
- GravityForms v2.3.1.12 – 2.10.5
Support
If you have questions or issues with the WordPress Postcodes4u Plugin then visit the support forum
https://wordpress.org/support/plugin/postcodes4u-address-finder and enter your query.
Or you can email us at support@postcodes4u.co.uk
Tagged as
purpose
Contact & Custom Forms
Alternatives
Other plugins for building forms.
The best anti-spam protection to block spam comments and spam in a contact form. The most trusted antispam sol...
Free
5M+ installs 4.7★ (1,186)
Fluent Forms
94Get a fast contact form plugin. Create advanced forms using drag and drop form builder with all smart features...
Free
700k+ installs 4.8★ (790)
Best WordPress form builder plugin. Create contact forms, payment forms & order forms with 1000+ integrati...
Free
600k+ installs 4.8★ (2,117)
Save and manage Contact Form 7 messages. Never lose important data. It is a lightweight contact form 7 databas...
Free
600k+ installs 5★ (1,874)
MetForm
93Elementor forms builder to create WordPress forms like contact form, booking form, feedback form, survey form,...
Free
600k+ installs 4.7★ (504)