PostCoder Web SOAP provides address lookup for website registration
pages and order forms. Users pay per address lookup and have access to
the most recent PAF data. The following data are used:
- Royal Mail Postcode Address File (PAF): 1.7 million postcodes and 28 million delivery points
- GeoData: 100m grid references, NHS codes and names, local authority information, OSGB36 and ETRS89 longitudes and latitudes
- Current County: from Allies Computing
- NSPD from ONS: Primary Care Trust codes and names
- Grid References for The Channel Isles and Isle of Man: calculated by Allies Computing at locality level.