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Comment by jdofaz

6 years ago

Your data line still has a phone number. I know on T-Mobile they only block sending SMS on data lines, it can still receive. Maybe your service works like that.

Sounds like that would work for services that send a verification code via SMS and ask you to enter it elsewhere, but not services that demand a reply. Luckily most 2FA is the former, but I've seen the latter with things like verifying flagged credit card transactions (although they have non-SMS alternatives).