The area code 331 is located in Aurora, Illinois.
Are you curious about the telephone area code 331? Well, you've come to the right place! This area code is assigned to a bustling city called Aurora, Illinois. Located just outside of Chicago, Aurora is known for its vibrant community and rich history. Whether you're a resident or just passing through, it's important to know the area code that keeps you connected. So, if you're looking for information or need to make a call in the 331 area, you're in good hands. Stay connected with the help of 331!