Who called from 3109291360

this number calls 2 three times a day, leaves no message. Why are most of the scam calls coming from California?

This number calls 2 to 3 times a day.  No messages nor response when you say hello.  Who are these people.

I you call back u can op out?..

B and A Business Solutions some kind of home based business

Four calls today, but I don't answer unknown number calls so I don't know who they're from. I'm getting tons of odd calls this week, and the National Do Not Call Registry fell victim to the government shutdown about the time the calls got more frequent.  Coincidence?