These guys are phishers/scammers. They are just trying to extract your information out of you. I have spoken to one of their representatives several times and asked to be removed from their list, pointing out that I am registered on the National Do Not Call list. This often results in them hanging up on me, or just patronizing me. They still call me every day. It is a complete mystery to me why the FBI hasn't shut them down.
How do you get rid of these people? I am so sick and tired of them calling almost daily. I don't answer my phone any more, but that doesn't help. I think that once so many reports come in on numbers like this they should have them shut down.
The guy who called me from this number today claimed to be representing a charity that I support (St. Labre Indian School) and tried very hard to solicit an additional donation. When I told him I have a policy against sending any money in response to phone solicitations and invited him to mail me a request letter, he continued to ask for money. I finally hung up on him.