Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
NoPhoneSpam - Block calls from annoying or private numbers on your Android device. By bitfire.
Should I Answer? - See what phone numbers are most searched and find ratings and users reviews.
Phone.Report - Complete phone number report.
CallApp - Free Caller ID & Call Blocker app that allows mobile users to block phone calls, identify calls, blacklist unwanted callers and much more.
Caller ID & Call Blocker - Caller id, block spam calls &SMS, reverse number lookup, fake call