This file is a lookup between electoral wards/divisions, Westminster parliamentary constituencies, local authority districts and upper tier local authorities in the United Kingdom as at 31 December 2020.  (File Size - 3 MB)  Field Names - WD20CD, WD20NM, PCON20CD, PCON20NM, LAD20CD, LAD20NM, UTLA20CD, UTLA20NM, FIDField Types - Text, Text, Text, Text, Text, Text, Text, TextField Lengths - 9, 53, 9, 41, 9, 36, 9, 36FID = 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. NB: Electoral Change Orders operative on 7th May 2020 now to be implemented in May 2021File updated following late receipt of The Leeds (Reorganisation of Community Governance) Amendment Order 2018.  Boundary and code change for Garforth & Swillington, and Temple Newsam wards)REST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/WD20_PCON20_LAD20_UTLA20_UK_LU_v2_d8cbab26914f4dc1980250dbca6409d4/FeatureServer