Getting Strange Calls

I am new on this forum. I want to share my some though. That I am getting strange calls So I need
to know any reliable cell phone lookup service which gives me accurate results.

What do you actually want to do ? Do you want to trace the caller or wanna block the number from where you are getting the calls ? I dont think there is any such common Phone lookup service. Also it can depend on your location. But anyways,, if you want to block the callers than just go through this:
http://forums.techarena.in/portable-devices/1276727.htm