Who called from 5125925476

unknown caller

I am getting numerous daily phone calls that sound like a fax or pager. I want the calls to stop.

call after call won't stop .... no one on the line....

I am getting numerous phone calls that sould like a fax or pager.  I want the calls to stop

I get at least 30 calls from this number veryday since I got my phone no one on other end I call back no answer just fax noise what can I do?????