This is a SCAM-Saying from IRS and coming to get you. IRS doesn't call you! They contact you by mail only! I work at a phone company and we trace these calls back. I am getting them on my cell phone as well. These start out of the country! Don't get scammed or get scared! Block and report to your local phone company and local authorities!

Probably a company that "helps" people with tax/irs problems.