This file contains the names and codes for local authority districts (LAD) and unitary authorities (UA) in the United Kingdom as at 1st April 2020. (File Size - 56KB)Field Names - LAD20CD, LAD20NM, LAD20NMW, 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. E06000060 - Buckinghamshire - new unitary authority - (Dorset county abolished)E07000004 - Aylesbury Vale, E07000005 - Chiltern, E07000006 - South Bucks, E07000007 - Wycombe abolished