After you file

As I said above, with that payment method, an intermediary bank is used, so the IRS sends it to the routing and account number at the intermediary company..  You should be able to search on the routing number to see what bank it is.  I'll tell you in an answer below how to check with the company that handles that payment  method.   You can even log in there to check on it or use the 24-hour automated line.  So first see what you find out at the SBTPG website.