Your Azure support options are listed at https://azure.microsoft.com/en-us/support/plans
As long as you have the appropriate support plan, you should be able to reach support via phone
You can get assigned an account manager for Azure support by purchasing a Microsoft Azure Support Plan that includes Advanced Support or Premier Support. These higher-tier plans offer personalized services, including dedicated account managers who help manage your Azure environment, provide technical guidance, and assist with proactive services. To request an account manager, you can contact Microsoft Azure Support through the Azure Portal or reach out to your Microsoft account representative if you have an existing enterprise agreement..
If the above response helps answer your question, remember to "Accept Answer" so that others in the community facing similar issues can easily find the solution. Your contribution is highly appreciated.
hth
Marcin