Hi Andriy Sova,
For customized support with your problem, you can contact customer support in your country or region. To get targeted assistance, please submit a subscription ticket to our support team. You can create a (free) support request with the Azure subscription support team by selecting Subscription Management as the issue type.
For more information, see this FAQ: How do I create a support request if I cannot sign in to the Azure portal?
Please don't forget to "Accept answer" and close this thread.