It is a scam:
http://www.consumer.ftc.gov/articles/0119-jam ... ng-us-consumers

Just received the 3rd phone today on my cell phone which I have registered with the Federal DNR and I'm getting ready to report as such.  The 3rd phone call gave the 'crap' about buying the *&&^^paper from the IRS and I told him (male voice and I already suspected W. Indies) that I figured this was a scam.   Third call finally showed a phone # - 8762627478.  I've reported the first two calls in person to my local cellphone/mobile phone provider, Pleateau.tel.

SCAM CALLER!!  There are a number of scams operating out of Jamaica these days. The most popular one right now is that you have won a prize from Publisher's Clearing House, MegaMillions or American Cash Awards among others.  They want you to either get a Green Dot Card or wire them money via Western Union to a Jamaican address to "release" your prize(s).  Total scam. No contest requires you to pay up front to receive a prize. Any taxes due to the state or feds are deducted at the time you receive your prize.

If you really want to make the caller mad call him a neegle yeye (pronouced yuh-eye).  That means "needle eye" and is Jamaican slang for female genitalia.  Be prepared for a torrent of profane language.

Call was from Jamacia two different numbers. I answered the second time. Could not understand him. I told him I was hanging up.