Area code 928 serves northern and western Arizona, covering a large and diverse region that includes cities like Flagstaff, Yuma, Prescott, and Lake Havasu City. Known for its stunning landscapes and outdoor recreation, this area code stretches from the Grand Canyon to the Mexican border. Flagstaff is a major hub for education and science, home to Northern Arizona University and Lowell Observatory. Yuma, closer to the border, has a strong military and agricultural presence, particularly winter vegetable farming. Prescott brings a blend of old-West charm and retirement appeal. The region is also known for tourism, mining, and Native American reservations. The 928 area code reflects the geographic and economic diversity of Arizona beyond the Phoenix metro, offering a gateway to both desert and mountain lifestyles.