Description
The 2021 Census OAs in GB and SAs in Northern Ireland were based on 2001 Census OAs, and they form the building bricks for defining higher level geographies. Pseudo codes are included for Channel Islands and Isle of Man. The field will otherwise be blank for postcodes with no grid reference.
Full name
2021 Census Output Area (OA)/ Small Area (SA)
Code
oa21
Code formats
E00XXXXXXN00XXXXXXS00XXXXXXW00XXXXXX
