I have been trying all day to get through to Extranet on London UK no
442033202635 , can anyone advise if there is another no .
I sent booking.com several e mails and no luck , they rung me and said there is nothing wrong with the no and put the phone down on me
Sorry to hear about your struggles. Not sure if you got what you were looking for. Just in case:
Where you can reach us
How do I contact Booking.com?
Those two links are normally the ones that save me when I need to get in touch with Booking.com.