Definite scam stating from IRS. No one calls from IRS unless you request a call back. How do these people get your number when you are on the "do not call list". Even when you block them they still call on a different number.
This number just left me a message saying it is the IRS. They wen as far as far as saying if I did not pay they arrest warranty and law suit were being filled. They acted funny first by answering the phone after one ring and using fake names even though it was the same person but 2 different calls. They ask questions such address, last 4 of social, and how much you remember to owe the IRS.
I reported them to the FTC and you should all do the same!
https://www.ftccomplaintassistant.gov/Information#crnt&panel1-1