How to Find Phone Number on Android Device
Step 1. First go to settings on your Android device.
Step 2. Now scroll down and select “About phone” or “About device“. ” If you are running older version of Android you’ll see your number in this section.”
Step 3. Now if you are running Android 5.0+, then in About device tap on status>SIM card Status>My phone number.
Step 4. If you are seeing Unknown in My phone number that means, either you have ported your number or your SIM was not inserted properly.