How do I block private calls on my cell phone?

How to trace 'private incoming cell calls' that have blocked their id

I need directions on how to block a specific cell phone number from calling my cell phone.

How do I block a cell phone number from calling me on my cell phone

Keep getting blocked calls on my cell and it is really starting to p!## me off

How do I see who is calling from a private number on my att/cingular cell phone?

I have a big problem with the father of my child and his 'girl' friend... I need to know how to block her cell phone number f...

I would like to know who is calling me from a restricted or private number before I answer the phone. Is there a code that I ...

What sequence of buttons do I push to block the incoming calls on my cellular phone by t mobile

There is this girl at my school that somehow got my cell phone number. I need help, I want to know how to block phone calls f...

trace a phone number from my cell bill that is to a number in mexico