Hi Zach,
Sorry that what you are seeing is sending you in circles. Hopefully these steps will help. We are not trying to make it hard. I will be giving the right people feedback on your experience. Feel free to PM me with any additional details you think are pertinent on the "Contact Us" experience.
By the way, the UK phone is 0870 607 2439.
I think the window you want is getting hidden by the pop up.
1. Fill out the form and submit
2. Close the Guide Me pop-up Window.
3. Select the contact option you want.
4. If for example you choose phone, you'll get a list of phone numbers for several countries.I scrolled down to find the UK number.