ReportedCalls - ReportedCalls helps people search and identify potential spam and scam phone numbers.

People Background Check - People Background Check is a people search service that provides public records, criminal record...

Reverse Lookup - This iOS App helps users identify the caller based on the phone number. If any user receives a phone call from an unknown number, they can use this App to look up information on that caller.

PeekYou - PeekYou is a free people look website that spots personals at the focal point of the internet.

USCallers - USCallers.com is a free, reverse phone lookup service for both cell and landline phone numbers.

Spokeo - Spokeo bills itself as the white pages of the internet and provides a platform for anyone to look up publicly available data from online and offline sources. Read more about Spokeo.