Sounds like you'll need to logon here and add your full name to account profile.
https://account.microsoft.com/profile?lang=en-US
You can also submit a ticket here for support.
https://visualstudio.microsoft.com/subscriptions/support/
or chat online with them
https://docs.microsoft.com/en-us/visualstudio/subscriptions/vs-concierge-chat
--please don't forget to close up the thread here by marking answer if the reply is helpful--