What is the website, email address or phone number that churches should use to get support for their Azure non-profit credit?
There is a Contact Us specifically for nonprofits to use here: https://nonprofit.microsoft.com/en-us/contactus
When you get to that page, type something into the "How can we help?" section. It will then present a form you can fill out. Please fill out that form and let them know and put your specific question in there.