Who called from 2403181524

So how does reporting this to this website help identify the caller??

got numerous calls from this number, no voice mail and only says sorry you missed our call opt out by hitting 1, finally just blocked them on my cell phone.  .

Medical Help (240-318-1524) has been harassing us on the following occastions even after i told them we are not interested.
10-29-13 12:25
10-30-13 1:36,  3:48 and 4:30
11-1-13
11-4-13 3:23

left no voice mail. called me twice in 2 days nov 2013

called cell. no message. I called it back. no answer.