Google is changing how you set up 2FA

Google is streamlining the process of setting up two-factor authentication (2FA). Instead of entering your phone number first to enable 2FA, you can now add a “second step method” to your account such as an authenticator app or a hardware security key to get things set up.

This should make it safer to turn on 2FA, as it lets you avoid using less secure SMS verification. You can choose to enter a time-based one-time passcode through apps like Google Authenticator...