Hello,
I would recommend you to reach out to Azure billing support team using the below steps for assistance,
Create support request from azure portal: https://learn.microsoft.com/en-us/azure/azure-portal/supportability/how-to-create-azure-support-request#go-to-help--support-from-the-global-header
If you're unable to create support request, try to reach support via global customer support as shown below.
Ensure to share your preferred contact method and details of your issue and team will connect with you.
Hope this helps!
Regards
Divya.