Finding a person by using their cell phone number?

I have the prepaid cellphone service net10 and I was wondering how to block a person's number with that service?

i lost contact with a close friend and i wanted to know, does anybody know any free websites where you could find a cell numb...

what is the best site to use to locate names of cell phone numbers?

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

Help please D: idk i thought the computer would tell u a pin then you'd type it in on the cell but the cell is asking me for ...

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

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 ...

I was on chat before and somehow I cant enter a message. Im using my phone and its hard to enter anything. Anyone know how to...

If I have a plan from at&t, can I get a phone from tmobile and use that phone on my plan?

what web site can I find those text messages people send me on my cell phone