Is this one time pass coming via text message? Has this service ever worked? I'm also curious if you're having trouble with other messages like this or is it just from your bank.
I do have problem receiving the messages from ICICI Bank in India. They are saying that your Tmobile carrier is blocking this messages.
Please do something about it.
There may be a way we can unblock those from you're account. You'll want to Contact Us and reach our to one of our account specialists. They can take a look at this for you and make sure everything is set up properly on our end.