You might also want to file a complaint with your phone service provider as well. Consider buying a call blocking device or phone..
http://www.amazon.com/s/ref=nb_sb_noss?url=se ... s=call+blockers
Received a call from this phone number, telling my roommate it was my girlfriend, which surprised me due to me not having girlfriend?
Tried to call number back and # has been disconnected, and or I get a busy signal.