Restricted phone calls

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

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

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 ...

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

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

How do I block calls coming in to my home phone?

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...

is there a one that is both for phone & pc? if so, whats it called?

Someone keeps calling me on a restricted number and threatening me. they are calling my cell phone

You get a phone call and caller ID says the number calling you is 000-012-3456, first should you answer the phone? Who is cal...