Iowa area codes
| 319 | Iowa (Burlington, Iowa City, Cedar Rapids, Waterloo and east central and southeastern Iowa) |
| 515 | Iowa (Des Moines, Ames, Fort Dodge, Jefferson, Algona, Indianola and north central Iowa) |
| 563 | Iowa (Decorah, Dubuque, Clinton, Davenport and eastern and northeastern Iowa) |
| 641 | Iowa (Mason City, Oskaloosa, Creston, Pella, Ottumwa, Britt, Clear Lake, Fairfield and central Iowa) |
| 712 | Iowa (Estherville, Council Bluffs, Sioux City, Sheldon, Denison and western Iowa) |
