Postcode coverage data: Ordnance Survey Code-Point Open.
Source: https://www.ordnancesurvey.co.uk/products/code-point-open
Licence: https://www.ordnancesurvey.co.uk/opendata/licence

ORDNANCE SURVEY DATA LICENCE

Your use of data is subject to terms at www.ordnancesurvey.co.uk/opendata/licence.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Contains Royal Mail data © Royal Mail copyright and database right 2026.
Contains National Statistics data © Crown copyright and database right 2026.

ORDNANCE SURVEY
PRODUCT: OS CODE-POINT_03.02
DATASET VERSION NUMBER: 2026.3.0
COPYRIGHT DATE: 20260720
RM UPDATE DATE: 20260717

Distances are straight-line British National Grid distances in miles from WD4 8LZ.
Covers current Great Britain postcodes (England, Scotland and Wales), not Northern Ireland or Crown dependencies.
Postcodes without usable coordinates cannot be checked. New postcodes may not yet appear.