Today’s phone box is the one that stands on the platform at Durham railway station.
(Coordinates 54°77’93.5″N, 1°58’17.1″W.)
Living in the North East, I see this phone box a lot – every time I travel south by rail. This is what it looks like from the train:
It’s nice to see it every time I go through Durham!
Update June 2022: added coordinates.