The Mobile Number Locator is a great tool to track and trace the location of a caller. It's a powerful number locator and call blocker that displays information about the caller's phone number, city, state, country, and network operator.

You can also view the current location of the caller on the map. This handy tool is free and simple to use, and it works on most Android devices.

If you have a number in your address book, you can quickly and easily add it to the phone book. Just enter the phone number, click the Add button, and you're done.

You can also add favorites to your phone book and have them displayed on your home screen. This app can also display the current location of the caller on the map.