I’m curious why you would use SMS 2FA at all? Email or preferably Authenticator app is superior… even better, Yubikey, although not as widely accepted.
When I lived in Latin America I transitione...
In the US, some major social media, financial institutions, companies, apps, etc. require a phone number that can be verified by text in order to participate in their services. You can opt to also use an app or YubiKey for 2FA, but they require a verified phone as well. They have restrictions on what kinds of phone numbers they allow and can detect and disallow XMPP, VoIP, and silent link eSIMs.
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