Where do you find your friend code on Pokemon Diamond??

Question

I wanna find out my friend code so I can get some mystery gift items... Does anyone know where you find your friend code??

-- Thanks for the help guys!!

Answer 1

Go to your key items in your bag then go to pal pad then check your code from there if you havent  got wifi then you won't have one

Answer 2

you freind has to give it to you ask someone wit diamond or pearl

Answer 3

go down at any poke center and talk to the lady in the middle