All you have to do is work out the coding :. :: :.
dialga
There is none
I dont think there is one.
There is no Action Replay code to travel to different regions or change Sinnoh to any other region.
No.That would be cool though!
Yes there is but its really hard to find.
I'm afraid not, unless there is a code you can use that I don't know about. But if there isn't a cheat code, Kanto and Johto are the only regions.
No, different regions aren't even programmed in the game.
Go to code junkies.com they have a code for every Pokemon from all regions
No. You can only pick Turtwig, Chimchar, or Piplup. If you want starters from a different region, there might be an action replay code for it.
SORRY But There Is No Such Code, But There Many Other Codes Out There That You Can Have.
There isn't one. You can't travel to other regions in diamond and pearl like you could in the older games. If someone told you there is a code to unlock Cianwood town, don't listen to them.