Hello Amanda Browne049,
Thanks for your question.
You have two options. To contact your admin or Microsoft support.
You will need to contact your IT administrator, to assist you in resetting your account.
To contact support you can call the Global Support lines here: https://support.microsoft.com/en-us/topic/customer-service-phone-numbers-c0389ade-5640-e588-8b0e-28de8afeb3f2
See: https://learn.microsoft.com/en-us/xandr/curate/troubleshooting-multi-factor-authentication-mfa.
You can mark it 'Accept Answer' and 'Upvote' if this helped you.
Regards,
Abiola