A best-fit lookup between postcodes, frozen 2011 Census Output Areas (OA), Workplace Zones (WZ), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA) and current local authority districts (LAD) along with OA, WZ, and LAD classifications as at May 2020 in the UK. Postcodes are best-fitted by plotting the location of the postcode's mean address into the areas of the output geographies. One file per Postcode Area (File size 45MB).
