This number says they are the "I.R.S" Caller I.D is "Barbar Perterson" No answer when the number is called back.

I got a call from this number today. The recorded message says the IRS is bring suit against me. Please settle this before it goes to court. It's all a recorded message. I hung up.

from IRS (they say Internal Revenue Services !!) they leave a number 02-864-1179 (yep the first group has only 2 digits) The call  appears as being from 715-201-0266