© Crown copyright and database rights 2026 Ordnance Survey 0100031673

The collection gives you access to the most current and comprehensive postcode data for Great Britain from Ordnance Survey. It provides all postcodes supplied in Royal Mail's Postcode Address File (PAF) for England, Scotland and Wales. The data comprises a unit postcode and a boundary polygon that encloses all the buildings that share the unit postcode. The polygons together form a seamless layer without overlap