Do you mean never use your phone number as 2FA if other 2FA options are not available? Most major retail banks (BofA, Chase, Citi, etc) all offer mobile as the

Do you mean never use your phone number as 2FA if other 2FA options are not available? Most major retail banks (BofA, Chase, Citi, etc) all offer mobile as the only, if not primary, 2FA option.