CallApp is a Free Caller ID and Call Blocker app that allows mobile users to block phone calls, identify telemarketing calls, record phone calls, blacklist unwanted callers and much more. CallApp is one of the most comprehensive caller ID apps with the ability to identify over a billion unknown callers and update your contacts with full info from social media platforms.
PhoneGenerator.net - Generate random phone numbers for all countries using the mobile phone generator. These numbers are fake, but they are built using the validations of telephone numbers.
Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
ZabaSearch - Find people free with Zabasearch directory engine that includes free people search, reverse phone number lookup, address lookup, and more.
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.
Number Checker. All World - Check the telephone number to identify the country, state, region, city, mobile operator.
CallerSmart - CallerSmart is an application that is basically used for the purpose of looking up mystery phone numbers for free.