Postcode to OA (2021) to LSOA to MSOA to LTLA to UTLA to CAUTH (November 2023) Best Fit Lookup in the UK

Published by:
Office for National Statistics
Last updated:
11 August 2025
Topic:
Not added
Licence:
None

Summary

A best-fit lookup between postcodes, 2021 OAs, 2021 LSOAs, 2021 MSOAs, 2022 LTLAs, 2022 UTLAs and 2022 CAUTHs. Postcodes are as at November 2023 in the UK and are best-fitted by plotting the location of the postcode's mean address into the areas of the output geographies. (File size 22 MB).

Field Names - PCD7, PCD8, PCDS, DOINTR, DOTERM, USERTYPE, OA21CD, LSOA21CD, LSOA21NM, MSOA21CD, MSOA21NM LTLA22CD, LTLA22NM, LTLA22NMW, UTLA22CD, UTLA22NM, UTLA22NMW, CAUTH22CD, CAUTH22NM
Field Types - All Text
Field Lengths - 7, 8, 8, 8, 8, 1, 9, 9, 55, 9, 65, 9, 45, 45, 9, 45, 45, 9, 30

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