Did you encountered unknown callers that give you a ring every time? I can say yes on my part most of the time I stay at home and as I observed there are lots of crank callers try to called us and i dont know them. My husband irritated when somebody always call us and dont have any idea about the callers. Even at the middle of the night you are in deep sleep then the phone rang and you don't know the numbers who called you. This kind of problem worried you too it might be an emergency call from the family or a friend. And you wondering who is that person called you. How can we detect the numbers to learn who and where is from they are calling. Through this site can help us National Phone Listings because we can easily detect the numbers who called your number. This is one of the reliable source of getting an information about an unknown phone number that has called you. All you have to do enter the phone number in the search box used by the crank callers. And you get detailed information, location of the call where they came from. Whether the unknown callers used a landline, business line or a handy phone. We obtain also the owner's name and address. Try to search now and get your results in the seconds.