A Guide to ONS Geography Postcode Products

This document explains how postcodes are allocated to a range of geographies on which statistics are published. It explains the main differences in how postcodes are allocated between our two main postcode products, the NSPL and the ONSPD.  (File Size - 519 KB)

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Source https://open-geography-portalx-ons.hub.arcgis.com/documents/ons::a-guide-to-ons-geography-postcode-products-1
Last Updated August 18, 2025, 19:16 (UTC)
Created September 20, 2023, 22:10 (UTC)