This file is a best fit lookup between 2011 middle layer super output areas, electoral wards/divisions and local authority districts in England and Wales as at 31 December 2021. (File Size - 356 KB)
Field Names - MSOA11CD, MSOA11NM, WD21CD, WD21NM, LAD21CD, LAD21NM, FID
Field Types - Text, Text, Text, Text, Text, Text,
Field Lengths - 9, 32, 9, 53, 9, 35
NB: Electoral Change orders operative in May 2020 postponed until May 2021
FID = The FID, or Feature ID is created by the publication process when the names and codes / lookup products are published to the Open Geography portal.
For more information and an overview of best-fitting follow this link -