Who called from 9712560732

Out of area,  "Hello,   hello,    hello" on answering machine... blocked!

Keeps calling between 8pm-9pm. No answer, blocked it.

This 971-256-0732 keep calling despite we don't answer it.  We receive call daily, sometime 2 or 3 times a day.  Never leave message.  We don't have call blocking feather in our phone line.  How can we stop or prevent this caller?  Any advise?

Here are some options:
1. Put up with it.
2. Discontinue your phone service
3. Invest in a call blocking device.
Number 3 will finally give you some peace and quiet. Good luck.

called three times in one evening. No message. Blocked it