Dataset - data.gov.uk

Output Area Classification (December 2011) in the United Kingdom

This file contains the Output Area Classifications (OAC) for the UK as at December 2011. (File Size 6KB).Field Names – Supergroup, Group, Subgroup Field Types – Text, Text, Text...
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- Esri REST
- GeoJSON
- CSV
Non-Civil Parished Areas (December 2014) Names and Codes in England

This file contains the names and codes for the non-civil parished areas in England as at 31 December 2014 (File Size 10KB).
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- Esri REST
- GeoJSON
- CSV

You can also access this registry using the API (see API Docs).