Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
Phone.Report - Complete phone number report.
WhosCall - WhosCall is a reliable caller ID app whose popularity has led to its adoption by many users including international media. You can now manage the numbers calling you regardless of whether they are part of your contact list or not... read more.
CallApp - Free Caller ID & Call Blocker app that allows mobile users to block phone calls, identify calls, blacklist unwanted callers and much more.
Number Checker. All World - Check the telephone number to identify the country, state, region, city, mobile operator.
Sync.ME - Search over 1 Billion phone numbers worldwide. Identify unknown phone numbers and block unwanted calls.