Over the last couple of years I have a policy of always blocking calls that have an out of state area code and do not tell me who is calling. Got a call from them at nine in the morning, did not answer, call blocked immediately.
I too received a phone call from this number saying "Hello, how are you today? I am calling you from WINDOWS. His accent was foreign and I immediately told him he was a fraud and hung up on him. These people have no scruples. So block this number if you can. Dishonest people are everywhere but his one will no longer be able to access me by phone.