How to Change Your Phone Number on Gmail With a Computer
To change your Gmail phone number on a computer:
Open a web browser and sign in to Gmail. Select your account photo in the upper-right corner of the screen. If you don’t have a photo associated with your Google account, you’ll see the first letter of your name. Select Manage your Google Account. Select Personal Info from the left menu pane. Scroll down to the Contact info section. Select the arrow icon to the right of your phone number. When taken to a new page, select the arrow icon again. Select the Edit icon, indicated by a pencil. Enter your Google account password and select Next. Select the Edit icon again. Select Update Number. Enter the new phone number, then choose Select to complete the process.
Change Your Phone Number in the Gmail App for iOS and Android
Changing your phone number using the Gmail mobile app is similar to changing it on a computer. However, certain menus and icons are different.
Open the Gmail app and log in to your account. Tap the menu button, represented by three horizontal lines. Scroll to the bottom of the menu and select Settings. In the Settings screen, select your Gmail address. Select Manage your Google Account. In the Google Account screen, select Personal info. In the Personal Info screen, scroll down to Contact info section and select the listed phone number. Select the listed phone number again. Select the Edit icon, indicated by a pencil. Enter your password to verify your identity, then tap Next. Select the Edit icon once more. Select Update Number. Change the phone number, then choose Select to complete the process.