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 2019. (File Size - 2 MB) Field Names - MSOA11CD, MSOA11NM, WD19CD, WD19NM, LAD19CD, LAD19NM, FIDField Types - Text, Text, Text, Text, Text, Text,Field Lengths - 9, 32, 9, 53, 9, 35FID = 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. REST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/MSOA11_WD19_LAD19_EW_LU_604dd503f9aa46639ac31e5bd36f9c15/FeatureServer
For more information and an overview of best-fitting follow this link - https://geoportal.statistics.gov.uk/datasets/f0aac7ccbfd04cda9eb03e353c613faa/about