I too am having the same issue and have been for about 3-4 months now. It would be nice for a verification that this feature due to security reasons does not work. This is my main need where I work since I work in a place where wireless devices are not allowed. Hopefully a response is put out in the next (10 days) if not I will inform my organization and government customers that VZW messages do not work for dual factor authentication and we can get rid of it.
Good afternoon. We understand the importance of receiving those codes for multiple purposes. What we recommend you to do, is check your line for possible blocks for short code messages by following the steps below.