I've been getting the calls for about a month that the IRS is ready to file a lawsuit against me also. Sometimes 4-5 calls a day, then several days with no calls. My younger son was thinking I'm about to go to prison when he heard me replay one message when I got home earlier this week. Their are different callers, but all have heavy accents (sounds like mid-eastern?) and the phone numbers usually have my same area code & prefix numbers. They've been threatening for so long, I figure they'll be coming for me any day now.