Who called from 3052406472

I received a call from this number - they asked to speak to my boss, whom I said was unavailable.  Caller immediately hung up.  I called the number back - recording that this number was not a working number.  Definitely a solicitation call and definitely not worth picking up.

Caller calls everyday for the past 3-6 months. When I answer the phone and tried to tell him to add to do not call list he hangs up

Same number called again today...Asks for Will (sounds like a friend) when asked for his name and is
told that Will is in the back of the building he makes some impatient remark and hangs up.

Called for the boss, asked who he was, he said he was calling from "Davinchy Financial". I said that the boss wasn't in and he mumbled something about a lapse in insurance (?) and said he'd call back another time....
I've been inundated with calls this week from business funding companies, so I just assume this is another. *sigh*...

Same Thing as notes before me they call asking for my boss i said he stepped out and asked to take a msg they said no thank you and hung up .