A very exclusive part of London to live. To be honest there isn't a great chance of obtaining an answer to your call here. But it is still a pretty phone box and a very nice part of central London.
Below is a world day/night zone image. It will help you time your calls to payphones across the globe.
Hey contact me..
Please send me an email regarding anything related to payphones. My email address is provided on this page, which also contains information on how to contribute your own payphone pictures.