The 2021 Census LSOA code for England and Wales, SOA code for Northern Ireland and DZ code for Scotland. Pseudo codes are included for Channel Islands and Isle of Man. The field will otherwise be blank for postcodes with no OA code. N.B. NI SOAs remain unchanged from 2001.
2021 Census Lower Layer Super Output Area (LSOA)/ Data Zone (DZ)/ SOA
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