Robocall

804-420-3000 calls and a female voice simply says 315-232-8257 and did this six times in three hours. What is the real point of this?

Robo calls work. They get people to call back by acting like a lure. People get curious about what an unknown call was about. Money is the point of this.

Your posts and info could go here to better use:
https://whocallsme.com/Phone-Number.aspx/8044203000
https://whocallsme.com/Phone-Number.aspx/3152328257/2