Umm the 24x7 phone support number is not listed on the web page.
To get the phone number, you need to log in.
How do you log in, if you're locked out?
>What more do you want?
What do you think?
https://support.google.com/a/contact/admin_no_access
[1] https://news.ycombinator.com/item?id=17120223