Reverse cell phone lookups for getting some unwanted calls identified?

Hey, I understand phone calls from unknown number causes the severe problem and creates a real tension. Few days back some unknown person was disturbing my best friend, then we went for the search of REVERSE CELL PHONE LOOKUP. With the help of this service we were able to find the name and address of the owner of that number. You can also check it for yourself if it helps you. But let me make you aware of the fact that these services are offered against a fee. Normally a monthly subscription is required and there fee varies according to websites, some time its subscription fee is as high as $25 per month. So I suggest that if you receive blank calls once in a while then it will foolish act to pay high for it, but if you really receive continuous calls that go for it. Best abut this is that you can get all required information abut a person within no time, although you can also get the information abut the location of the cell phone and some time more then that what you really required. You can get this software from sites like CELLSEARCHING, REVERSE -PHONE- DIRECTORY, ZIMBIO, etc