The Postcode Address File or PAF is an address dataset maintained by Royal Mail. It contains all known delivery points (features a letter box and/or a business mailing inbox) and postcodes in the UK.
The Postcode Address File provides access to 1.4 million business names, 1.8 million UK postcodes and over 30 million residential and business addresses. The database is constantly maintained and verified by 90,000 postmen and women, with up to 5,000 updates being made daily.
PAF can be integrated into a number of systems, including Point of Sale (PoS) terminals, Customer Relationship Management (CRM) systems, internal and external applications. The benefits of using PAF include to:
Our APIs return standard data returned by Royal Mail's Postcode Address File. View our PAF data documentation which provides a description of the addressing data available through the Ideal Postcodes API.
Get in touch to integrate Postcode Lookup, Address Finder and more using the most up-to-date and accurate UK dataset.