Postcodes4U

Postcodes4u is a trading name of 3x Software Ltd. We have been a Royal Mail PAF Database reseller for over 15 years and providing software solutions to business problems for over 30 years. We have particular expertise in Ecommerce, Processing card payments and Retail. There are a number of benefits to using Postcodes4U address/postcode look-up service. Postcodes4U uses Postcode Address File (PAF®) from Royal Mail, it is the most up-to-date and complete address database in the UK, containing over 28 million addresses.