The message on my phone was from a phony tax person trying to obtain money / gift cards, whatever.   I reported the number to the IRS Fraud Dept.  Below is the message:
"That IRS has issued an arrest warrant against you right now, you & your physical property those are being monitored and its very important that you...back from...soon as possible before we proceed further in any legal...my direct call back number is 401-283-0726."