This file contains the 'Extract' NHS Postcode Directory (NHSPD) as at May 2018. The NHSPD relates both current and terminated postcodes in the United Kingdom to a selection of health geographies. The NHSPD is issued quarterly. For further technical information about this file, please refer to the User Guide contained within the downloadable zip file. Please note that this product contains Royal Mail, Gridlink, LPS (Northern Ireland), Ordnance Survey and ONS Intellectual Property Rights. (File size - 14 MB)Please note that this product contains Royal Mail, Gridlink, LPS (Northern Ireland), Ordnance Survey and ONS Intellectual Property Rights.