what area code is 928
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.