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ONS UPRN Directory (April 2022) User Guide
data.gov.uk (National Data Library)
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Office for National Statistics
· updated 2026-08-13
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This User Guide contains information about the ONSUD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data quality and limitations and details of recent changes that have impacted on the data. Various annexes and tables provide more detailed supporting information. The download includes PDF and ODT versions of the user guide. (File size - 291 KB)
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Contains public sector information licensed under the Open Government Licence v3.0 and other licences as stated per dataset. Metadata collated by the UK Open Data Index.