Azure didn't verify my phone number

Question

Can't get the free trial for azure services, I keep receiving this error.
"We’re unable to validate your phone number".
Also, while trying to submit a service request, the pages failed to load and received a notification saying:

"The portal is having issues getting an authentication token. The experience rendered may be degraded. Additional information from the call to get a token: Extension: Microsoft_Azure_Support Resource: self Details: The logged in user is not authorized to fetch tokens for extension 'Microsoft_Azure_Support' because the user account is not a member of tenant 'f8cdef31-a31e-4b4a-93e4-5f571e91255a'. Error details: AADSTS50020: User account '{EmailHidden}' from identity provider 'live.com' does not exist in tenant 'Microsoft Services' and cannot access the application 'c44b4083-3bb0-49c1-b47d-974e53cbdf3c'(Azure Portal) in that tenant. The account needs to be added as an external user in the tenant first. Sign out and sign in again with a different Azure Active Directory user account. Trace ID: 8d340fa3-08cd-4ea1-a51e-69f81b473d00 Correlation ID: 65355635-0c54-45ab-91d5-2faa6a7be17b Timestamp: 2023-03-07 11:39:35Z"

What should I do? Also I can't perform the following step:
"The account needs to be added as an external user in the tenant first. Sign out and sign in again with a different Azure Active Directory user account.

Answer 1

Thanks for reaching out to Microsoft Q&A.

1. Ask your global admin to add the login to the tenant.
2. Go to setting and click on switch directory and then try. Please 'Upvote'(Thumbs-up) and 'Accept' as answer if the reply was helpful. This will be benefitting other community members who face the same issue.