If you see a phone number starting with 312, you know you’re talking to someone in Chicago. As the third-most populous city in the United States, Chicago is a hub for innovation and business. The 312 area code is more than just a set of numbers; it’s an identifier that can help your business tap into that market.
For businesses, having a 312 area code establishes a local presence and builds trust with Chicago customers. This article will give you an overview of the 312 area code and how you can use it to your advantage.