You can find out whose number it is by using a reverse phone lookup service.

It's easy to use. All you do is enter the phone number and with one click of the mouse a phone lookup directory will return all of the information you need, which includes the name of the person who owns the phone number and the other people in their household.

It can even tell you the other telephone numbers they are using and the names of their neighbors. It can give you their address and their previous addresses. It can even give you the details for phone carrier they are using, so if the calls are of a harassing nature, you can take measures to report them.

So, now that the reverse phone service has told you whose phone number it is, will you call them?

That number just might belong to that really cute girl or guy that you met when you were out with friends recently - but you just can't remember his or her name. Now that you have it, and if you play your cards right, you could have a date. But don't wait too long or they may not remember you.

That number could belong to your best buddy from college - that one who it seemed you'd sadly lost track of some time ago. Now you know where he lives and how to get in touch with him.

He may be across the country, but perhaps he is calling you because he will be in town. Don't hesitate, call him back soon or you might miss his visit.

Perhaps its your ex who keeps changing her number so she can stalk you. There are laws against that, you know.

You can use the information you received from the phone lookup "detective" to report her to the proper authorities and make the harassing behavior stop once and for all.

Can you see in how many ways a reverse phone lookup can be of help?

Don't expect this type of detail from one of the services on the internet that come free of charge. There is no way that they can provide this depth of information.

The reverse phone lookup services that charge a modest fee are the ones to consult when you want more than a name to go with the number - or when you only have a cell phone number to go on.