You can use the refund lookup tool at SBTPG to see the status of your funds.
To log in, choose the For Taxpayers portal at:
https://www.sbtpg.com/
SBTPG has a phone contact page at the following link. It also shows their business hours. Even when they are closed, you may be able to get automated info, or you can log in as above.
https://help.sbtpg.com/hc/en-us/articles/230084587-Contact-Information