Iowa Area Code

Iowa currently utilizes 5 area codes. When first established by AT&T and the Bell System in 1947, 319 covered the eastern third of Iowa, 515 covered central Iowa including Des Moines, and 712 covered the western third of Iowa including Sioux City. The most recently added was 563 in 2001. Today, 319 is the most populated with an estimated 800 thousand of the state's 3 million residents.