https://mobile-location.com/
How to locate a person by phone? - Create a Mobile-Locator account and enter the target phone number - Select a service package and pay - Wait for the software to ...

https://www.mspy.com/blog/track-phone-number-location-free/
If you want to master this skill, we're going to show you how to track phone number location free with 5 foolproof solutions.

https://www.google.com/android/find/about
Use Remote Lock to lock your device's screen with just a phone number.