From Bulbanews, your community Pokémon newspaper.
To be available at EB Games, JB Hi-Fi, Big W
Update: This article previously stated that the codes would be available until January 26, per the promotional image and PokeCollection. However, newer information has confirmed that the codes will be available until January 29.
Hoopa code cards will be available in Australia and New Zealand at participating retailers from January 18 to 29, 2016, or until supplies run out.
In Australia, they will be available at EB Games, JB Hi-Fi, and Big W stores. In New Zealand, they will be available at EB Games and JB Hi-Fi stores. The code cards do not require any purchase to obtain.
The codes can be redeemed in Pokémon X, Y, Omega Ruby, or Alpha Sapphire.