Register of Geographic Codes (June 2017) for the UK

Published by:
Office for National Statistics
Last updated:
11 August 2025
Topic:
Not added
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Summary

The Register of Geographic Codes (RGC) is a key product that contains the definitive list of UK statistical geographies. ONS maintains the definitive set of statistical geographies, coordinates the issue of new codes, and maintains the relationship between active and archived code ranges on behalf of the Government Statistical Service. The RGC should be used in conjunction with the Code History Database, available to download separately.


Updated Geographies

Updates to Parishes (E04) and Communities (W04), Wards (E05)(W05)(S13) for the 2017 SI changes. Updates to LEPS (37), LEPOPs (E52), LEPNOPs (E53). Updates as a result of NHS changes for CCGs (E38), NHSRLOs (E39), NHSERs (E40) and STPs (E54). Updates to Combined Authorities (E47).

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