We have spent countless hours researching all of the reverse phone number directory sites on the market.  On this site, you will find several directories that we have found to be the best.  Below is our pick for the #1 reverse phone number directory site available.

ReversePhoneDetective.com

Everyone has had someone call that they could not identify, only to find that the number was not listed in the regular online phonebooks. You can use Reverse Phone Detective to help you find any number, even if it isn’t listed online in the phone directory. Reverse Phone Detective pulls up numbers from cell phones, land lines and businesses to help you find out who is calling you.

All that you need to have to find out all kinds of information on the number (including who the number belongs to, what type of line it is, and the address listed for the number!), is a credit card. The service uses top of the line technology to cull information from public resources, which are confidential, to give you up to the minute information that is among the most comprehensive on the web. 

Here are just some of the ways you can use Reverse Phone Detective:

	Find out the source of a harassing ("prank") caller!
	Research a number that appeared on your phone bill!
	Locate an old friend from high school or college!
	Research "missed calls" on your caller ID that you don't recognize!
	Lookup someone's exact address!
	And much more!