The company where my brother worked had a phone system that rerouted after-hours calls. If any calls came in on a certain line while he was working late, Dave knew it would be a wrong number.
It got to the point where, as soon as the phone rang, Dave would pick up and say, “Psychic Hotline. I’m sorry, but you’ve dialed the wrong number.”
The callers would often reply with something like, “I didn’t even ask to speak to anyone yet. How did you know I dialed the wrong… Oh!” (Click)