irs identity theft phone number
1 1-800-908-4490. 2  Report the fraud. 3  Send a copy of your police report or an IRS ID Theft Affidavit Form 14039 [PDF] and proof of your identity, such as a copy of your Social Security card, driverâs license or passport. 4  Update your files. 5  Record the dates you made calls or sent letters.