Postcode Finder Software for Websites & Web Apps
Add fast, accurate UK address lookup to your website, signup form, checkout page or web application using Royal Mail PAF address data.
Find an address demo
1 Example Street
Wisbech
Cambridgeshire
PE13 1AA
lookup
verified
updated
Choose the best website postcode finder option
We offer simple and flexible postcode finder options for websites, ecommerce checkouts, signup forms and modern web applications.
Best for: Quick integration
Recommended option. Add search-as-you-type address lookup to almost any website with a simple HTML line and quick field mapping.
- Search as you type, by postcode/part address
- Simple HTML setup
- Use wizard to map fields
- Add one line of code
- No server technology required
- Very good mobile experience
- Returns Full address information
- Returns geo-location information
Best for: Web app devs.
Add search-as-you-type address lookup to almost any website using Open API calls.
- Search as you type, by postcode/part address
- Open API call
- Full address search
- Returns JSON Full address
- Returns JSON geo-location information
- Good for checkout/signup pages
- Returns location information
Traditional postcode lookup
Traditional postcode lookup where the user enters a postcode, clicks Find, then selects the correct address from the results.
- Search by Postcode only
- Modern web app integration
- Flexible UI control
- Good mobile capability
Improve address capture on checkout, signup and customer forms
Help users complete forms faster, reduce failed deliveries, improve customer records and avoid address-entry mistakes.
Website postcode finder features
Everything needed to add accurate UK address lookup to your website without maintaining your own address database.
Daily Royal Mail data
Royal Mail PAF address data is maintained and updated for you.
Quick integration
Choose simple HTML, AJAX examples, or modern framework options.
Mobile friendly
Designed for modern forms, mobile users and fast address selection.
Secure API keys
Restrict API keys to your own website domain for better protection.
Geolocation returned
Return address data with location information where required.
Free UK support
Get help from a UK software company with long experience in business systems.
Additional Datasets
Not Yet Built - house not built or not occupied yet
Multi-Residency - flats in a large property, such as a tower block
Taxi Locations
Airports, Bus and Train Stations. Seach by "STN" for stanstead airport.
Over 99.99% availability
Multiple server locations ensure high availability.
Ready to add postcode lookup to your website?
Try Simply Postcode free, request a quote, or view the SimplyCompleteAI demo and instructions.
Prefer to talk? Call us on 01945 464854