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.
View Examples Start a Free TrialPostcoder 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.
API keys are used for authentication and results are returned in JSON and XML formats.
Developer Docs
[
{
"summaryline":"Allies Computing Ltd, Manor Farm Barns, Fox Road, Framingham Pigot, Norwich, Norfolk, NR14 7PZ",
"organisation":"Allies Computing Ltd",
"buildingname":"Manor Farm Barns",
"premise":"Manor Farm Barns",
"street":"Fox Road",
"dependentlocality":"Framingham Pigot",
"posttown":"Norwich",
"county":"Norfolk",
"postcode":"NR14 7PZ"
}
]<Addresses xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<Address>
<summaryline>
Allies Computing Ltd, Manor Farm Barns, Fox Road, Framingham Pigot, Norwich, Norfolk, NR14 7PZ
</summaryline>
<organisation>Allies Computing Ltd</organisation>
<buildingname>Manor Farm Barns</buildingname>
<premise>Manor Farm Barns</premise>
<street>Fox Road</street>
<dependentlocality>Framingham Pigot</dependentlocality>
<posttown>Norwich</posttown>
<county>Norfolk</county>
<postcode>NR14 7PZ</postcode>
</Address>
</Addresses>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.
Support Centre Talk to SalesUnderstanding 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 TrialWe have payment options to suit every type of business, from pay-as-you-go credit packs to monthly plans to high volume licences.
The more lookups you buy, the lower the price per lookup.
View Pricing Talk to Sales"Allies help us maintain a level of service that is always there for our 120,000 business customers."
"2x faster checkout times - Postcoder has literally transformed our checkout."
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