Who called from 7633671540

This number calls and there is no answer or other noise. They also call multiple times anywhere from 5-12 minutes apart at all hrs of the night.  This is pure BS. The calls are based from Minnesota. Shut them down.

This is coming from a marketing company for Mission Hospital and Optium insurance. It comes through my fax machine and is unwanted information.

Thanks.  I've been getting these all afternoon.
10/5/15

Just got woken up at 6am by a call from this number. Rang like a fax but nothing received.

Received message that this # sent me a 3 page fax..to my cell phone. Which I cannot receive. Otherwise same as all the above experiences.