What Does ATL Mean? (Using ATL Online)ATL means "Atlanta, Georgia".
Definition for ATLATL means "Atlanta, Georgia". This is the most common definition for ATL on Snapchat, WhatsApp, Facebook, and Twitter. Here is some more information about ATL:
1: Easy to guess
Adults and Teenagers
Using ATL on a Cell Phone (SMS Texts, Whatsapp, and Yubl)