Is it possible to block people form calling you On the telephone ?

Question

Is it possible to block people form calling you On the telephone ?
I am on AlliantBell phone company,

Answer

Yes ! You have to call the phone co. and have call blocking add its normally less than a a month to do it and when I did it you could block I think . It was like years ago !brOnce it installed when they call and hang up you push a code in the phone ! Later Dillweed lol