Name the postcode areas that contain land in the Yorkshire and Humber region: i.e. northeast Lincolnshire, North Yorkshire, East Riding of Yorkshire, West Yorkshire, and South Yorkshire.
All the postcode areas mentioned do cover some land within Yorkshire. For example LA - obviously Lancaster isn't in Yorkshire but the postcode areas LA2, LA6, and LA10 cover small parts of North Yorkshire: https://en.wikipedia.org/wiki/LA_postcode_area