What is a Yahoo verification code and how to log into Yahoo without us

A Yahoo verification code is a unique code that restricts unauthorized access to your Yahoo account. As such, until you provide the correct verification code, you can’t log into the Yahoo account. If you are wondering how to login Yahoo without verification code, you need to disable the Yahoo two-factor authentication feature by following the steps mentioned under:

Open a web browser on your computer and visit Yahoo Mail.
Log into your Yahoo Mail account using the correct login credentials.
Click on “Account Security” and if you see that the Yahoo Account key is enabled, click on “Manage” next to it.
Click on the “Disable Account Key” option located at the bottom of the page.