Hello @Behzad Fazeli - Thanks for reaching out.
Sorry for the inconvenience caused. Since you are unable to login to the portal and cannot provide Subscription as well.
The best idea for you to contact support and get this issue resolved is via phone.
Ensuring that you get to the right engineer with the area of expertise you need and if you can't access the Azure portal, call the customer service number for your country/region.
Also, take a look at this document for more reference on Azure support plan
Hope that helps.
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