Retro Sleuth!

Find a person by a name or phone number worldwide for free using Truecaller. Also available on Android, iPhone, Nokia Symbian and Blackberry.

The most comprehensive people search on the web. Pipl finds high-quality results in pages that cannot be found on regular search engines. Free People Search.

We've all been there. You've missed a call on your phone from an unknown number. You wonder if you should call back, it could be important. Or maybe it's yet another telemarketer ringing to sell you insurance. That's why we created CallerSmart. CallerSmart is an innovative free app for your iPhone that helps you identify mystery numbers and block unwanted callers. How? By bringing you an up-to-date user-generated phone book that's supported by an ever-growing community of passionate users. Thanks to a revolutionary game system which rewards you for your contributions to our phone book, together we're now able to outsmart unknown & unwanted callers. As our users add information to more and more numbers, our database continuous to expand- CallerSmart can only get better! »

Sync.ME identifies unknown phone calls, warns you from annoying spam calls, and adds a caller picture to your contacts from Facebook, LinkedIn and Google+!

This application will help to determine telephone numbers, both mobile and fixed telecom operators around the world by using codes.Guide consists of two modules:- Identification “Who called?” Just enter your phone number and you will receive information by the following numbers of telephone subscriber: country, state, region, area, city, town.- The instruction ""How to call?"" It helps to find and display the plan of numbers as handy reference of codes for countries, cities and mobile operators worldwide.Please note, this application can’t tell you who's calling, but it can help to find by telling where the call is from, providing that the number of subscriber is fixed and attached geographically or to the network provider.Database is constantly updated and corrected, as it is located on a remote server.The program requires an Internet connection. The application is free. »

You can use this tool if someone calls you and you aren't familiar with the phone number, or else your caller ID doesn't provide you with the name of the caller. With WhoEasy you can lookup cell and landline phone numbers from their real time directory, and get results fast. They will return the name, address and more about who owns the phone number you are searching.

ZabaSearch is the worlds leading people search engine. Find people you know by name, location, email or tag. Help you find people on the web. Whether its celebrities, friends, or interesting people youd like to meet, ZabaSearch finds them. We use a combination of search engine technologies and user edits to aggregate the worlds people information and make it searchable. ZabaSearch finds all kinds of information like websites, photos, videos, and blogs about people. Go ahead and search for someone, you might be surprised at what youll find.Help you stay up to date on people you care about. There are lots of people you want to keep track of. ZabaSearch makes it easy to save a collection of people so you can quickly get updates each time you visit. If checking in isnt your thing, just subscribe to an email alert, an RSS feed, or even access information through your favorite social network. »

Complete phone number report. Get a phone GPS location heatmap, mobile operator, city, state, comments about any phone number.

“Call Notes Is a Cheat Sheet While You’re on the Phone.” Gizmodo

Should I answer the call? This question can come into a mind of every person who sees an unknown incoming call. Each of us had (or will have) the opportunity to face the unsolicited call, telemarketing campaign, advertisement or some kind of fraud call. How should we find out that the calling number is harmless and answering it will not cost us tens of minutes of precious time or a significant amount of money?

WhosCall is a reverse Number Search, with a global number database of over 600 million entries.