The area code 307 is located in Casper, Wyoming.
Area code 307 serves the stunning region of Wyoming, including the city of Casper, which is known for its rich history and vibrant culture. Established in 1959, this area code covers major cities such as:
Casper, often called the "Oil City," is home to the National Historic Trails Center, which celebrates the trails used by early American pioneers. With its breathtaking landscapes and outdoor activities, Wyoming is the least populous state in the U.S., giving area code 307 a unique charm. Discover the wild west heritage of this remarkable area—perfect for anyone interested in Wyoming's history and natural beauty!