Where is the verification page?

Where is the email verification page so that I can input my 6 digit verification code ?

To verify this email address belongs to

you, enter the code below on the email verification page:

where is the verification page?

Sign in to your Apple ID account page.

See if anything in Section 3 helps.

Apple ID - Password/Security Questions verification e-mail not received.     

I logged into the Apple ID page, but still don't see where to enter this code?

Sign in to your Apple ID account page.