Area Code 928 History:
Area code 928 was put into service. Area code 928 was created from a split of area code 520.
Counties in Arizona within area code 928 include:
Apache County, Coconino County, Gila County, Graham County, Greenlee County, La Paz County, Maricopa County, Mohave County, Navajo County, Yavapai County, and Yuma County.
Major cities or places in Arizona within area code 928 include:
Area code 928 serves all of northern and western Arizona including the larger cities and communities of Flagstaff, Fortuna Hills, Kingman, Lake Havasu, Payson, Prescott, Prescott Valley, Sedona, Winslow and Yuma in addition to many smaller communities within the area code 928 service area.