UK National Statistics Postcode Lookup with Geographic Allocations (November 2020)

National Statistics Postcode Lookup (NSPL) for the United Kingdom as of November 2020, linking postcodes to statutory geographies. The dataset is produced by ONS Geography and issued quarterly, supporting the production of area-based statistics from postcoded data. It relates both current and terminated postcodes via 'best-fit' allocation from the 2011 Census Output Areas.

Use Cases

• Produce area-based statistics based on postcoded data mentioned in the description
• Map postcodes to administrative boundaries based on the 'best-fit' allocation from 2011 Census Output Areas
• Analyze geographic distributions using the linkage between current and terminated postcodes

Strengths

• Links postcodes to a range of current statutory geographies, providing official geographic support.
• Includes both current and terminated postcodes, offering historical coverage.
• Produced by ONS Geography, an authoritative source for UK geographic data.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Last updated 2025-08-11 07:51:23; freshness should be verified as the underlying data is from November 2020.

Provenance

Source

ONS Geography, providing geographic support to the Office for National Statistics (ONS).

Collection Method

'Best-fit' allocation from the 2011 Census Output Areas, with some 'exact-fit' allocations for national parks and Workplace Zones.

Time Range

Snapshot as at November 2020.

Freshness

Issued quarterly; snapshot is from November 2020.

Geography

United Kingdom.