This article is about something that is no longer active in the Club Penguin universe.
At some point in 2016 it became unavailable. It had still been available after the renovation of the Everyday Phoning Facility in 2013, which allowed players to become agents even without receiving this postcard.
- Under the "Question" section in the Ultimate Safe Chat, one of the messages is Psst. I want to be a secret agent. Where’s the HQ?.
- Only EPF agents can send this postcard.