It reads "Red Greens, Square Meals, Affluent Arrivals, June 27th"

When you call the new Squid Game x Fortnite phone number you get a ~25 second teaser audio where a rift can be heard in the background. When put into a visualizer it reveals a secret message:

Affluent arrivals sounds like we're getting VIP skins. Red greens is this // Square meals has me like this