> But there is some (increasingly rare) 2FA that does not work with numbers other than telco numbers. My experience is that this is not "increasingly rare" bu

> But there is some (increasingly rare) 2FA that does not work with numbers other than telco numbers. My experience is that this is not "increasingly rare" but "almost universal" at this point. VoIP numbers are useless for SMS account verification. People who thought they could bypass phone company price gouging found themselves out in the cold when signing up for email accounts, social media accounts, or even their own bank.