https://www.youtube.com/watch?v=7Bmuh53kIPs
Hello! This is Phone Transformer. In this video, we will be discussing how to find someone's phone number. Whether you're trying to ...

https://www.quora.com/Is-it-illegal-to-find-someone-s-phone-number-or-information-online-on-people-look-up-websites-or-on-people-look-up-apps
As far as I know, it is not illegal to find someone's phone number or information online on people look up websites.

https://www.quora.com/Is-it-possible-to-locate-a-person-using-only-their-phone-number-and-no-other-information
You can find someone's location by cell phone number using an app called Minspy. Minspy utilizes a technology known as cell triangulation ...