Area code 312. Even if you’ve never been there, the numbers probably conjure up images of deep-dish pizza, cloud-scraping architecture, and maybe even a little blues music. That’s because 312 is Chicago, one of the biggest, most important, and most iconic cities in the United States.
This article is designed to be your complete guide to area code 312. Keep reading to learn about its history, how to dial it, potential phone scams to watch out for, and a little about Chicago’s economic landscape.