How do you block a number from calling your home phone?

Question

I know you can do *67 to hide your caller id, and *69 as a call back. But I've also heard that there was one you could do to stop someone from calling you. Please Help!

Answer 1

its *77 ACR which is anonymous call rejections

Answer 2

*60 Call Screen (Selective Call Rejection)  

Answer 3

I heard that too.. never tried it, but I would call the phone company to make sure they provide that service.