Register of Geographic Codes: UK Statistical Geographies

The United Kingdom's Register of Geographic Codes (RGC) is the definitive list of UK statistical geographies, maintained by the Office for National Statistics (ONS). It contains active and archived code ranges and is coordinated on behalf of the Government Statistical Service. The dataset was last updated on August 11, 2025.

Use Cases

• Standardizing UK geographic identifiers for data linkage based on the definitive list of codes.
• Mapping statistical data to administrative boundaries based on the maintained geographies.
• Tracking changes in geographic code ranges over time based on the relationship between active and archived codes.

Strengths

• Maintained by the Office for National Statistics as the definitive source for UK statistical geographies.
• Last updated on August 11, 2025, indicating recent maintenance.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Government Digital Service

Freshness

Last updated 2025-08-11 08:25:12

Geography

United Kingdom