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Postcode to OA (2021) to LSOA to MSOA to LAD with 2011 Classifications (February 2026) Best Fit Lookup in the UK

Publisher
Office for National Statistics
Updated
11 March 2026
Topic
Not set
Licence
Not set

Summary

A best-fit lookup between postcodes, 2021 Census Output Areas (OA), Workplace Zones (WZ), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA) and current local authority districts (LAD) along with OA, WZ, and LAD classifications as at Febriary 2026 in the UK. Postcodes are best-fitted by plotting the location of the postcode's mean address into the areas of the output geographies. (File size 44MB).

Field Names - PCD7, PCD8, PCDS, DOINTR, DOTERM, USERTYPE, OSEAST1M, OSNRTH1M, OA21CD, OAC11CD, OAC11NM, WZ11CD, WZC11CD, WZC11NM, LSOA21CD, LSOA21NM, MSOA21CD, MSOA21NM, SOAC11CD, SOAC11NM, LADCD, LADNM, LADNMW, LACCD, LACNM

Field Types - All Text

Field Lengths - 7, 8, 8, 6, 6, 1, 6, 7, 9, 3, 48, 9, 2, 60, 9, 63, 9, 35, 9, 36, 35, 3, 48

Data links

Link Format Preview Updated
ArcGIS Hub Dataset HTML 11/3/2026

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Additional information

Source Metadata
XML, HTML
Harvest GUID
https://www.arcgis.com/home/item.html?id=42f470772a084fe092df398921a37814

Contact

Enquiries

ons.geography@ons.gov.uk

Freedom of information (FOI) requests

FOI.Team@ons.gov.uk