Additional features, settings, or issues not covered by specific Microsoft Teams categories
Hi @Erik Duarte
The Official document provide these tips for you to remove phone number from your account:
1)Sign in to Manage how you sign in to Microsoft with your Microsoft account.
2)Select Your info, and then select Manage how you sign in to Microsoft.
3)Make sure you have one verified option that you can continue to use. If you only have one option and you plan to remove it, add a new phone or email.
4)Under the Account aliases section, select Remove next to the email address or phone number you want to remove.
For more details about how to remove phone number, you can learn it from:
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