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Google Voice is free and will forward SMS's to email, which can then be set up with rules to various other emails. Most banks accept google voice numbers

Twilio numbers are a dollar a month and will also forward to email or you can log into the twilio web interface to pick up sms codes if needed. Rejected by more places the demand 2FA

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Some services don't allow GVoice 2fa. I tried it for instagram because I refuse to give Facebook my real number and they rejected it.

Same, although my goal was to use a Google Voice number that could be shared amongst a team, for integrating with Facebook's APIs.

Agreed. Definitely some USA banks do not (with one of my accounts, neither the SMS nor the automated call would come through the GV number), and although a few years since last I tried, craigslist would not accept GV for account verification.

"Google Voice is free and will forward SMS's to email ..."

...

"Twilio numbers are a dollar a month ..."

I wanted very much to keep my telephony within twilio and maximize the mini-telco that I built for myself there ... however almost zero 2FA requirements can be fulfilled with "voip" numbers that are not honest-to-god mobile tagged phone numbers.

That's the whole point of the 2FA Mule, etc.

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