1040NRs are not all that common. TurboTax Online has lists of which forms it will prepare that you can access before you start filing; I'm pretty sure the 1040NR isn't on any of them.
To get a phone number to contact Intuit about a possible refund, see
https://ttlc.intuit.com/replies/3300041 . Please keep trying till you get a standard U.S. area code & phone number (*not* 800 or other toll-free number).
