I would have email addresses and would need to find names, addresses, phone numbers, and other similar information. I know most sites require payment and ultimately I would like something that is free, but I am not entirely averse to reverse phone lookup site that requires payment (so long as the information it provides is valid and accurate).
Best answer gets 10 points. Thanks in advance for your help!
I am in charge of research and testing for a consumer review site. I have spent over two years focused on public record search products which includes sites that provide reverse email and phone number lookup services. I have to say that, of all the different public record search products, reverse email and phone are probably the least reliable. The bottom line is that it is way to easy to create a fake email account and no site has the ability to find out who is behind it. For example, neither Yahoo nor Google require any verification of identity prior to allowing an email account to be created. If they don’t know who you are then how on earth is an external site? Add to that corporate email accounts… I doubt your company is going to sell their own email addresses to third party sites opening themselves up to all sorts of virus/spam attacks.
Now it is true that I have had some success searching with an email address but it is very hit and miss. That goes for cell phones as well. In order to get any significant/reliable information on someone you need to have their name (first and last) and at least the city they live in or their home phone number. Then you can find all sorts of good information.
Hope this helps!