Your Nintendo Wii has a specific number that you can intern share with other Nintendo Wii users as to communicate via Wii mail or even send your respective Mii's to other Wii consoles.

How to check for your Wii number-

-Turn your Wii console on
-Go to the "Wii message board" option located on the lower right hand corner of the Wii menu screen
-Go to the "Create message" option on the lower left hand corner of the screen
-There will be a icon that says "Address book", go to that option
-Once in the "Address book" option you should see a page with two arrow cursors on each side. Click on the left arrow cursor
-You should see page that says "This console's Wii number" and at the bottom your Wii number.

Share your Wii number with friends!

Post your Wii number here at the Wii Number Exchange