I don't know the code.But once you capture in fire red or leaf green,you can migrate it.
you cheat
You cannot catch Raikou in Pokemon Diamond and Pearl. To get Raikou in Pokemon Diamond and Pearl, you must trade for one from Pokemon HeartGold and SoulSilver where it can be caught or transferring from Pokemon FireRed and LeafGreen.
You cant get raikou in Pokemon diamond or Pokemon pearl.But you can get him in a gba Pokemon game and transfer him to your Pokemon pearl or diamond!
You cannot catch Raikou in Pokemon Black. You have to transfer it from Diamond, Pearl, Platinum, Heartgold, or Soulsilver.
You cannot catch the legendary dogs in Diamond or Pearl, you must migrate from Pokemon LeafGreen, FireRed, Colosseum, or XD.
Trade it over from FireRed or LeafGreen. If you had the starter as: # Bulbasaur: You will be able to catch Entei # Charmander: You will be able to catch Suicune # Squirtle: You will be able to catch Raikou
no!! of cours yo can not catch raikou in ruby raikou can only be cought in the johto region
You catch raikou in vermilion city in the smallest patch of grass
it's not available in diamond, pearl, or platinum so the only way to get it is to trade it from an older game.
There's no specific spot to catch raikou because raikou is a wondering Pokemon it can go from route to route in kanto and this makes it hard to catch but all more worthwhile to catch it.
after you catch a glimpse of entei, raikou, and suicune at the burned tower in ecruteak city, you can track entei and raikou using your map.
You go to a mountain and catch raikou