ONS Open Geography Portal (link)

All the latest ONS geographic products, maps and APIs

ONS Postcode Directory Tool (link)

Postcode Directory Look-up Tool

ONS Postcode Directory Tabular and Spatial Extract Tool (link)

Allows users to download all the postcodes for a Local Authority, rather than having to download the postcode file for the whole of the UK and then filter.

All Bucks Postcodes Feb 2023 (CSV file)

A list of all Buckinghamshire postcodes.

Opportunity Bucks Postcodes Aug 2024 (CSV file)

A list of all Buckinghamshire postcodes in Opportunity Bucks wards.

Opportunity Bucks wards (map)

Map showing the location and boundaries of the 10 Opportunity Bucks wards