Same thing happened to me yesterday! I called the number back and when a foreign man told me he was with the IRS and asked for my name and DOB I hung up! Scam!!!
Same call here. Computerized message about fraud against me and the possibility of going to jail. Here is the text from the phone call. "Nicky Johnson, I'm calling you from the legal affairs at the us treasury department. My badge number is 837 for the nature in the purpose of this call is regarding an enforcement action which has been executed by the us treasury department regarding tax fraud against your name ignoring this will be an intentional attempt to avoid initial appearance before the magistrate judge for exempt jury for a federal criminal offense, so before this matter goes to federal claim courthouse or before you get arrested kindly. Call us back on our number as soon as possible the number to reach us is 614 335 9185 let me repeat the number 614 33591 85 hope to hear from you soon before the charges are pressed against you. Thank you.