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 2021. (File Size - 614 KB) Field Names - WD21CD, WD21NM, PCON21CD, PCON21NM, LAD21CD, LAD21NM, UTLA21CD, UTLA21NM, 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.