You need the card key.
you need the silph scom u get from giovani when you beat him in the game corner basement in kanto
Silph co is in saffron city.
Silp co is a building in Saffron City. If you met Silph Scope, it is in rocket hideout, rocket game corner in celadon city.
I believe it is in saffron city
Saffron City
saffron city
Saffron City.
Saffron city.
in saffron city
saffron city
Silph Co is in Saffron city. you have to get the TEA from the old lady in the mansion in celadon city and then the guard will let you through.Its located in saffron city its the huge building in the center of the city.
Silph co is the very large building in saffron city.