I received a similar message today with the same return number. Luckily I googled it first which saved me the time and aggravation of dealing with the scammers.
I got the same call and the same threat from 202-241-0697. It was a person with a thick accent. I filed a complaint with the IC3 (I got the web address by scrolling down on this site). EVERYONE should report this! This is a terrible phone call to get, to be told a arrest warrant has been issued for you by the IRS. The IRS wouldn't go about things like that, you would have to be audited and they wouldn't call and threaten.....I worry about an elderly person getting this call and believing it and falling victim to whatever this scammer is trying to do!!