National Statistics Postcode Lookup - 2021 Census (February 2023) for the UK

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

Summary

This file contains the National Statistics Postcode Lookup (NSPL) for the United Kingdom as at February 2023 in Comma Separated Variable (CSV) and ASCII text (TXT) formats. To download the zip file click the Download button. The NSPL relates both current and terminated postcodes to a range of current statutory geographies via ‘best-fit’ allocation from the 2021 Census Output Areas (national parks and Workplace Zones are exempt from ‘best-fit’ and use ‘exact-fit’ allocations) for England and Wales. Scotland and Northern Ireland has the 2011 Census Output Areas


It supports the production of area based statistics from postcoded data. The NSPL is produced by ONS Geography, who provide geographic support to the Office for National Statistics (ONS) and geographic services used by other organisations. The NSPL is issued quarterly.  (File size - 188 MB). 

More from this publisher

All datasets from Office for National Statistics

Search

Data links

Link to the data Format File added Data preview
ArcGIS Hub Dataset HTML 31 May 2024 Not available

Additional information

View additional metadata
Harvest GUID
https://www.arcgis.com/home/item.html?id=c7debafcef564e7a9dfb8ca881be4253
Source Metadata
XML
HTML

Contact

Enquiries

Contact Office for National Statistics regarding this dataset

Freedom of Information (FOI) requests

Contact Office for National Statistics regarding this dataset