The area code 331 is located in Aurora, Illinois.
Area code 331 is a significant area code in Aurora, Illinois, and it covers many neighboring communities in the Chicago suburbs. Established in 2012, this area code was created to accommodate the growing demand for phone numbers in the region. It includes major cities such as:
Interestingly, Aurora is known as the "City of Lights," being one of the first cities in the U.S. to implement electric street lighting. This area is rich in history and features landmarks like the Paramount Theatre, which showcases various cultural events year-round. Whether you're moving to the area or just curious, area code 331 connects you to a vibrant community in the heart of Illinois.