Who called from 9312954002

Repeated calls hang up when i answer no messages left when i dont answer

Repeated calls from this number. No messages left and hang-ups when I answered.

Same as above, no messages and hangup when I answer, I called the number back and it's some kind of sweep stakes that makes you take a survey, no way to make them take your number off their list that I could find.

Yes no answer when you call back even no rings , and when you answer to the call no one speaks to you.

I keep on getting calls from this number and they hang up also. This is a sweepstakes thing and I think it is spam. I changed my number to keep the harassment down.