Most likely this is a scam so please exercise caution. Per the IRS, "Taxpayers should remember their first contact with the IRS will not be a call from out of the blue, but through official correspondence sent through the mail. A big red flag for these scams are angry, threatening calls from people who say they are from the IRS and urging immediate payment."
Also, the IRS...
For your peace of mind, you may securely contact the IRS at 800-829-1040 if you're an individual or 800-829-4933 for businesses.
Most likely this is a scam so please exercise caution. Per the IRS, "Taxpayers should remember their first contact with the IRS will not be a call from out of the blue, but through official correspondence sent through the mail. A big red flag for these scams are angry, threatening calls from people who say they are from the IRS and urging immediate payment."
Also, the IRS...
For your peace of mind, you may securely contact the IRS at 800-829-1040 if you're an individual or 800-829-4933 for businesses.