I've gotten a list of post codes and their counties.
This is how the data is presented:
<thead>
#EAECF0[/URL] , align: center"]Postcode area
#EAECF0[/URL] , align: center"]Postcode districts
#EAECF0[/URL] , align: center"]Post town
#EAECF0[/URL] , align: center"]Former postal county...