Who called from 4352941293

Someone called from Utah (435 area code). I didn't recognize the number so I didn't pick up.

Picked up phone & no one there just my voice echoing back to me.

We get the same call daily but get the same thing back like Gary.  It is very annoying.

Answered the phone to silence on the other end. No one would respond. So I hung up and called *69 to find the number that just called.

Have answered the phone to noone a few times.  What is up with this kind of harassment???