Who called from 3156755358

I keep changing my number and they still keep calling me and hanging up, NO ONE has my number, it's a prepaid, I even stopped giving it to my mother.  I don't use credit cards or loans so I don't know why I am getting calls

Received: 10:09 A.M.

Returned call and heard a recording  from Vision Financial that all calls are recorded.
Support NY State Senator Schumer pass legilsation designed to stop the robocalls.  Telephone his office at any of the locations listed on his website.  He recdives thousands of e-mails, so phone him.

http://www.schumer.senate.gov/Contact/office_locations.htm

Who are these people-??

I am constantly receiving these robo calls at all hours of the day including 8:55pm and 8:01am

They keep calling me and do not leave a message. They called 3 times in the last 6 days.