Reported them to national do NOT call list. And, then placed this number on out telephone block caller list. They keep calling, the voice machine kicks in yet they leave no message. Got 9 calls in one week, and I'm fed up!

BS about foreign exchange students, more likely its a child porn ring or some other type of scam. When they're that hard up and call 9 times in one week, the red flags should go up folks!