The area code 303 is located in Aurora, Colorado.
Area code 303 encompasses the vibrant city of Aurora, Colorado, along with other parts of the Denver metropolitan area. Established in 1947, this area code serves major cities such as:
Aurora, known for its beautiful parks and the expansive Wings Over the Rockies Air & Space Museum, is a cornerstone of the region. Did you know that Aurora is one of the most diverse cities in Colorado, boasting over 100 languages spoken among its residents? With its rich culture and scenic landscapes, area code 303 is a key hub for anyone looking to connect within this thriving part of Colorado.