Using the Royal Mail Address Lookup API is one way to validate your customers' addresses. It will allow you to be sure that they are sending mail to the right place, which will help you avoid costly redelivery charges. A postcode lookup will also reduce the number of data entry errors that your business makes.
The Postal Address File contains postal addresses of over 30 million properties in the United Kingdom. The file is used by a wide range of organisations, from warehouses to credit check companies. The file is an open database that can be used for a variety of applications. It is a valuable source of information for strategic planning, mapping and other uses. It is available to external organisations as raw data, which can be accessed through the API.
The PAF has been used by e-commerce sites to provide address lookup services. The PAF file contains 31 million delivery addresses. It is used for a variety of applications, such as satellite navigation and mapping.
The PAF file was first developed by the Royal Mail Group in the early 1980s, and it remains the primary source of address data for the UK. The file is updated hundreds of times a day, containing information on more than 30 million properties, including houses, apartments, and offices. It includes multiple-residency details, down to one metre accuracy.
The Postal Address File was originally paper-based, but it was replaced by a digital maintenance solution in 1992. Today, it receives 4,000-5,000 updates a day.
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