I wouldn't lie to anyone about this, when I googled the number this is what I received:
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22 Jun 2016
Overseas Indian scammers claiming to be from the IRS. The caller ID says that the caller us from Ossining NY but last week they were in Kississimmee FL. I called then back so many times today they blocked my number. The woman cussed tried to cuss me out but gad the grasp of the naughty words like a 2nd grader would. I like to threaten them with a bullet and racial slurs regarding their crusty feet in sandals and camels. Do not give them any information. Don't even acknowledge that they may have your correct name.