It gets really annoying when someone you don't know is calling all day for no reason and you can't find out who that actually is. If you are in this type of situation, you should know that you are not alone. Thousands of people have been prank called over the years and it's not something that came out the blue. But what you really need to do is find a solution to put an end to those calls, and you do that by finding out who that caller really is.
The thing is, people will call you from their cell phones mostly because they know you can't trace them unless you put an effort and find a directory that will find it for you.
This type of directories are not the average ones you get everywhere and they contain a lot more information. The only ones that contain cell phone information are called reverse mobile directories. All they require you to do is sign up and type in the number. Once you do that they will let you know almost everything about the caller including name, address, zip code and even background and criminal reports. They contain millions of unlisted numbers and have helped thousands of people.
There's three type of numbers you need to make sure the directory contains before signing up. They are: land line, cell phones and unlisted ones. It will let you search the number even if you don't know where it's coming from and show you an exact map.
Overall, make sure you take your time and find the right reverse phone directory.