According to whitepages.com, this numbers is flagged "Extortion" with the IRS scam--a warrant has been issued for your arrest, etc. Report these criminals to the authorities and do not have a conversation with them, nor give them any personal information.
Some creep with an accent just called to say that the IRS has issued an arrest warrant and to call 347-418-0605. He identified himself as Officer Bryan Schneider.