Microsoft 365 Developer Program - Add phone number for security

Question

There is an error when I try to set up my Microsoft 365 E5 with my phone number. The "Country code" textfield doesn't have my country and my country is Vietnam.

Answer 1

Seems a known issue.
https://learn.microsoft.com/en-us/answers/questions/925914/why-am-i-seeing-an-error-with-a-valid-phone-number.html

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