Collection. The list is a five-field CSV file.
Free list of UK postcodes
The list is formatted as plain text, with each record on a separate
line. Each record consists of five fields, each field being separated
by a comma. You should be able to import this data into most
applications that support "comma separated variables". The five
fields are:
1. First part of the UK postcode (area code)
2. x-coordinate (metres)
3. y-coordinate (metres)
4. Latitude
5. Longitude