Originally Posted by der_saeufer

Most banks have other methods of verification, including e-mail and often a code-generator app (e.g. Google Authenticator). If your American bank doesn't, it's time to find one that sucks less. Without going too far into OMNI territory, while the US financial system has its flaws, the massive amount of competition means that there's always a bank out there that sucks less than your current one

That said, yes, GV does give you an American number. When outside the US, you can send and receive SMS in Hangouts. Some people have had issues with SMS verification services not working right, but that's not been my experience. I suspect that may be because my GV number started its life as a "real" cell number.