Google may add your number to all your accounts: How to stop it

As Android Central reports , users have received unexpected emails telling them their phone number has been verified for secondary Google accounts. Like me and many others, you may have one Google account for everyday use, another for work, and a third for things you would rather keep separate. But if you’re using an Android phone, those accounts may have something in common that you didn’t intend or even know about: your phone number.