Zapdos can be found on Mt. Thunder, Peak (3F).
Its in the power plant east of Cerulean.
In Pokémon Blue you can find Articuno (on the Seafoam Islands), Zapdos (at the Power Plant), Moltres (in Victory Road) and Mewtwo (in the Cerulean Cave).
you can find the answers at serebii.net
You can't find Zapdos, you can get it by trading it from Leaf Green or Fire Red.
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In the power plant(Zapdos is hard to find but its is there).
It is impossible to find a thunderstone in Pokemon blue rescue team. There is not one. I've searched everywhere. If I had not known that there was not one, I'd check Thunderwave Cave.
you can find zapdos in ecrutak city
you can find zapdos in the power plant.
You can't find Zapdos in Pokémon Silver, but you can get it with an event or by using the Time Capsule. If you want to use the Time Capsule, you need Pokémon Red/Blue/Yellow. There you can find Zapdos at the Power Plant. In Blue it will be level 50.
You can't get Zapdos on Pokemon Pearl or Diamond but you can migrate it from Pokemon LeafGreen or Pokemon FireRed.
Zapdos is found in the Power Plant.