Description
The 2011 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
2011 Census Output Area (OA)/ Small Area (SA)
Code
oa11
Code formats
E00XXXXXX
N00XXXXXX
S00XXXXXX
W00XXXXXX