How to identify global administrator of authenticaotor app

Venkata Ss Kodali 1 Reputation point

My msauthenticator app was reset as my mobile died, I've not setup other authentication and I'm not able login now
Who is the global administrator who can help me on this
Work account: vk577h@attmvno .com

Microsoft Authenticator
Microsoft Authenticator
A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation.
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