Yes, it is possible to find anyone to track their location by using their phone number. Track location with the phone number by using the relevant tracking application in the market. Here are a few of the steps on how these applications work.
1. First, open the application & insert the phone number to track the location.
2. Create a message in the app so it may be considered by any other person to give access to their location.
3. Finally done with these changes, now sit back. The application will notify you when they find the location of the targeted devices.
Also, read this - https://allsavvy.net/how-to-track-someone-on-google-maps/