This file contains the names and codes for local authority districts (LAD) and unitary authorities (UA) in the United Kingdom as at 31st December 2021. (File Size - 48KB)Field Names - LAD21CD, LAD21NM, LAD21NMW, FIDField Types - Text, Text, Text, NumberField Lengths - 9, 36, 24FID = 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 changes. E06000061 - North Northamptonshire, E06000062 , West Northamptonshire - new unitary authorities created - (Northamptonshire county abolished)E07000150 - Corby, E07000151 - Daventry, E07000152 - East Northamptonshire, E07000153 - Kettering, E07000154 - Northampton, E07000155 - South Northamptonshire, E07000156 - Wellingborough abolished