The most common method across almost all Android devices—including Samsung, Google Pixel, and OnePlus—is through the Settings menu. Open your Settings app and scroll to the very bottom. Look for an option labeled About Phone or About Device. On many versions of Android, your phone number will be listed directly on this screen under a heading like Phone Number or SIM Status. If you don't see it immediately, look for a sub-menu titled Status or SIM Status; tapping this will reveal the phone number associated with the SIM card currently in the slot.
If the number isn't on the main "About phone" page, it may be deeper: > About phone > Status (or SIM status ). what is my phone number - android
Open Settings and type "Phone number" into the search bar at the top to jump directly to the correct page. The Contacts App Open your Contacts or Phone app. The most common method across almost all Android
Check the very top of the list for "Me," or your own name/profile icon. Your phone number is usually stored here automatically. SIM Card Status On many versions of Android, your phone number
Another quick way to find your number is through the Contacts app. Open the app and look at the very top of your contact list. You will often see a card labeled My Info, Me, or Set up profile. Tapping this card usually displays your own contact details, including your mobile number. This works because Android often automatically creates a "Me" profile based on the SIM card information provided by your carrier.