"Something Went Wrong" on Apple ID's payment methods.

"Something Went Wrong" on Apple ID's payment methods.

Two days ago I tried to change my payment method to a different credit card.

After I entered the new info and hit "Done", it still shows the old card number.

--then----

I signed out and then signed in again, and now it keeps saying "Something Went Wrong" when I tab down to my Apple ID's payment methods.

"Refreshing" the page does not work - I tried that many times already.

I've tried loging in and out for 2 days hoping something has changed.

PS:

Working from a Windows PC.

And No- I do not want to load "Itunes" on my PC.

Is there a phone number I can call for a support person?

KS