Who called from 2068229033

I also got a call from the same number to call this number back 206-822-9033 and that this was a final notice that the IRS is suing me.  I called but a message said that the person at this number is not accepting phone call right now and to call back later.
I am not calling back.

I got a message on 2-23-16 as well and read up on it NOW. I guess its a scam. I have not received a letter from the IRS.

Claiming to be the IRS wanting money

Seeing as how I recently received my federal tax return and they claim to be the IRS suing me, I am going to assume that they are very much a scam.

The automated caller states that it is my final notice and the IRS is filing against me.
Then I am told to call this number.  I have not called because of course the IRS doesn't
notify you of a judgement by phone only by mail.