I was scammed yesterday with the itunes scam from a different number. I answered the phone to a recording saying the same thing..I owe taxes and will be arrested if I don't call them back to make a payment. I called the IRS myself and they assured me that they didn't call and gave me several resources to file all of the calls and report ID theft with several agencies. 800.829.0922 is the only number I found for the IRS that I had an option to speak to a live person. Long wait but well worth it.