This is a lookup file between local authority districts and countries in the UK as at 1st April 2021. (File Size - 64 KB)Field Names - LAD21CD, LAD21NM, CTRY21CD, CTRY21NM, FIDField Types - Text, Text, Text, Text, NumericField Lengths - 9, 36, 9, 16FID = 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. File includes the following LAD changesE06000061 - North Northamptonshire - new unitary authorityE06000062 - West Northamptonshire - new unitary authorityREST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/LAD21_CTRY21_UK_LU_032ca4db66204b8c94cda6355f28fb08/FeatureServer