Postcode to Postcode Sector to Postcode District to Postcode Area (March 2021) Lookup in EW

A lookup between postcodes and postcode sectors, postcode districts and postcode areas as at March 2021 in England and Wales (File size 5MB).

Data and Resources

Additional Info

Field Value
Source https://open-geography-portalx-ons.hub.arcgis.com/datasets/ons::postcode-to-postcode-sector-to-postcode-district-to-postcode-area-march-2021-lookup-in-ew
Last Updated October 28, 2025, 10:15 (UTC)
Created September 20, 2023, 22:08 (UTC)