On Pokemon soulsilver, after winning all the gym badges, Zapdos will be waiting for you at the Power Plant.
In the power plant(Zapdos is hard to find but its is there).
you can find zapdos in ecrutak city
you can find zapdos in the power plant.
Zapdos is found in the Power Plant.
you can find zapdos in mt thunder
u can find ZAPDOS in mt thunder by RESCUING SHRIFTY
Zapdos doesn't learn it by leveling up. You buy or find TM24(Thunderbolt) and then teach it to Zapdos.
You can't find Zapdos, you can get it by trading it from Leaf Green or Fire Red.
Zapdos can be found on Mt. Thunder, Peak (3F).
After completing the game, go to the power plant. Zapdos should be waiting for you.
Zapdos is not available on any Gen V games. To obtain Zapdos, you would have to transfer it from a Gen IV game
You can find Zapdos in Power Plant only once so if you let Zapdos fly away or if you defeat it you can never find it again in LeafGreen.