Who called from 2026669077

Called me 2x and hung up both times, tried to call back and it says all circuits are busy??

Woman with thick accent called me claiming to be calling from U.S. Dept. of Treasury. She said I am eligible for an $8k grant that I never have to pay back. All I need to do is give her my routing number. Once I said I know it's a scam she immediately hung up. Hah!