15 GB of storage, less spam, and mobile access. Change Your Phone Number in the Gmail App for iOS and Android The process to change your phone number using the Gmail mobile app is similar to changing it on a computer, though certain menus and icons are different. With Voice Gmail is email that's intuitive, efficient, and useful. The best Gmail phone number with tools for skipping the wait on hold, the current wait time, tools for scheduling a time to talk with a Gmail rep, reminders when the call center opens, tips and shortcuts from other Gmail If you don’t have a phone number or you don’t want to use yours, these options will work for you. Adding your phone number to your Gmail account adds security and Google doesn’t sell your personal information. A smarter phone number A Voice number works on smartphones and the web so you can place and receive calls from anywhere Take control of your calls Forward calls to any device and have spam calls silently blocked.