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Postcoder enables people to use their postcode to lookup and fill in their address. Postcode lookup is up to 80% faster than typing an address manually. Automatic address verification provides addresses that are 100% up to date and postally correct.
Postcoder suggests valid addresses to people as they type their address or postcode. Address autocomplete is Google for addresses - instantaneous results and no button to click. Create a great user experience and capture verified addresses.
Postcoder provides geographic coordinates for postcodes and addresses. Use them to show your customers on a map or to calculate an optimised delivery route.
Postcoder is refreshed daily using the most up-to-date and comprehensive data straight from official sources including Royal Mail and Ordnance Survey.
Postcoder is hosted on a secure and reliable cloud platform in the UK and Ireland.
Postcoder aggregates the data from multiple datasets to ensure it always provides the richest, most detailed address records for the UK and internationally.
Royal Mail's definitive UK address database. Updated daily, PAF is the most accurate and up-to-date record of every postal address in the UK.
Learn more about the PAF dataset
The Multiple Residence database from Royal Mail identifies individual dwellings within multiple occupancy buildings that share a front door.
Enrich your address data
Alias data is used with the Postcode Address File (PAF) to help identify properties that have additional address characteristics.
Learn how Alias can enrich your dataset
The Not Yet Built database from Royal Mail contains the addresses of 500,000 properties that are planned or under construction.
Find out more
British Forces Post Office (BFPO) postcodes are used to ensure the accurate routing of commercial and personal mail to British Forces personnel serving overseas.
Learn more about BFPO
Ireland's postal code system enables people and businesses to find every address in the country using an Eircode.
Add Eircode to your address lookup
The Office for National Statistics assigns geographies to postcodes using the ONS Postcode Directory (ONSPD).
Add geospatial data to your postcodes
By collecting data from over 100,000 sources HERE are able to provide the freshest, most accurate digital representation of the world.
Find out more
USPS maintain a database and a standardised format of US addresses. Access USPS data for US address lookup and delivery point validation services with Postcoder.
Discover USPS ZIP+4 data
The AddressBase Core dataset provides 33 million live address records with coordinates and UPRNs for England, Wales and Scotland.
Discover AddressBase Core
The richest address database in the UK, containing addresses, objects with postal addresses, UPRNs, coordinates and full property lifecycle information.
Learn how to upgrade to AddressBase Premium
If you would like to speak with our sales team about how Postcoder can unlock the potential in your address data capture.
Integrate address lookup in minutes with Postcoder's REST API, sample code and developer-friendly documentation.
{
"addressline1": "Allies Computing Ltd",
"addressline2": "92 St. Faiths Lane",
"summaryline": "Allies Computing Ltd, 92 St. Faiths Lane, Norwich, Norfolk, NR1 1NE",
"organisation": "Allies Computing Ltd",
"number": "92",
"premise": "92",
"street": "St. Faiths Lane",
"posttown": "Norwich",
"county": "Norfolk",
"postcode": "NR1 1NE",
"latitude": "52.6299163702",
"longitude": "1.3018030246",
"grideasting": "623545",
"gridnorthing": "308689",
"uniquedeliverypointreferencenumber": "56137114"
}Having Postcoder on our checkout page has really helped ... Customers spend much less time adding their details which in turn made for a much more pleasant transaction.
Alex Woods Digital Marketing Executive at Victorian Plumbing
Our sales and support teams are with you every step of the way. We listen carefully and communicate honestly. We don't use scripts or automated call systems. We have real people ready to help when you need it.
Understanding how your account is being used is important, so we make it easy for you. You can view usage reports, configure email alerts and check your remaining credit balance.
Start a Free TrialWith great prices, flexible options and a free trial that doesn't ask for your credit card, Postcoder is the ideal API for your business.
Pay just 2.01p per UK address lookup with our largest monthly plan or start small with a £25 pay-as-you-go credit pack.
"It took us under a day to swap out our old system with Postcoder and we have been enjoying it ever since."
"We've been really pleased with the uptime and reliability of the service."
