The products offer easy, accurate and cost-effective access to the Royal Mails Postcode Address File. AFD software helps you handle names, addresses and mailing lists on your computer. The Postcode boundaries are maintained from Royal Mail information and updated files are released every six months. All data is available in a wide range of formats including ArcView, ArcInfo, MapInfo, Tactician, DXF, Atlas BNA and many others. In addition, Geoplan offer associated census, business and media information for strategic business planning applications.
Boundaries literally go down back fence lines as they do in the real world.
The timely, quarterly updates allows mailers to use these files to incorporate their CASS certified lists with the latest carrier route configurations. Centroid files which are also updated quarterly and incorporate information from several sources to insure the highest level of precision. Printed maps are also available for individual areas. The Census Bureau has developed a product known as ZCTAs. ZCTAs are not U.S. Postal Service ZIP Codes.