(04 Aug 2021, 1:07 pm)MurdnunoC wrote Using that logic you'd have include Low Westwood, Hamsterley Collery, and Hamsterley Mill as they all fall within NE17 (the first two) and NE39 (the latter).
And wouldn't that mean you'd have to exclude Bishop Auckland and Spennymoor from the County Durham zone because they have a Darlington postcode?