How do i get my email verified via code

I accidentally skipped the verification screen and now i cant get back to verify pls help. :sob::sob::sob:

On 3DS: Sign into the PNID first through system settings. Afterwards, open Miiverse and it should ask for the 6 digit code

On Wii U: Sign into the PNID through user settings. Afterwards, select “switch users” then the PNID user again, and it should ask for the code