This person has been harrassing me for weeks. I have no clue who this person is. Please help me find out who this number belongs to.

Thank you.

This isn't something we can do for you! You have to help yourself. First, file complaints with your local LS and your phone service provider every time they call.  Consider buying a call blocking device or phone..
http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=call+blockers