I give up, the scammers win. I'm porting my cell phone number to Google Voice to block these scam phone numbers. Here's the info - http://support.google.com/voice/bin/answer.py?hl=en&answer=1065667 Google Voice also gives you free text messaging and visual voicemail. Verizon won't help, the FCC won't help, only Google will help stop these scam calls.
Google Voice
 Dec 21st, 2012