Why are you unable to block it? If the number is displayed, you should be able to block it. If it only displays SSI, how did you know this was the number calling?
This Moron has called 7 times Today while I was at work.If someone wanted to talk to me that bad why were no messages left. This number is officially blocked now. Several websites say it is a Vacation or Timeshare Scam of some sort.