Called the number back. A man who sounded like he was from India answered. I claimed I was police officer investigating this number and accused the man of performing a scam. He said, "So what?", mumbled a few words and then hung up.
I also have rec'd calls from these people saying that are from IRS. It's a scam for sure they send letters they don't call people is what I think and it's always a recording no live person. I will not call them for sure.