ONS Postcode Directory: UK Postcode to Administrative Area Mapping (February 2022)

February 2022 version of the Office for National Statistics Postcode Directory (ONSPD). The user guide, published by the Government Digital Service, details directory content, data currency, assignment methodology, formats, quality, and recent changes. The guide is a 293 KB HTML document.

Use Cases

• Link postcodes to administrative areas for demographic analysis based on the described assignment methodology.
• Assess data quality for geographic joins based on the guide's coverage of limitations and recent changes.
• Understand data formats and currency for integrating postcode data into systems based on the described directory content.

Strengths

• Includes a dedicated user guide covering methodology, quality, and changes.
• Focuses on data currency and recent changes impacting the February 2022 release.
• Provided by the authoritative Government Digital Service.

Limitations

• The dataset itself is not directly available; only the user guide is listed.
• Column-level documentation is absent; field semantics must be inferred from the guide or the actual data.
• Freshness should be verified as the guide references a February 2022 data version.

Provenance

Source

Government Digital Service

Collection Method

Official statistical compilation and methodology by the Office for National Statistics.

Time Range

Data version referenced is February 2022.

Freshness

Last updated 2025-08-11 07:49:51; data version is February 2022.

Geography

United Kingdom (implied by UK postcodes and ONS).