319 Area Code

Primary cities: Cedar Rapids, Iowa City, Waterloo, Burlington, Cedar Falls ... all cities

Cities: Ainsworth, Alburnett, Allison, Amana, Anamosa, Aplington, Argyle, Atkins, Aurora, Belle Plaine, Birmingham, Blairstown, Bonaparte, Brandon, Brighton, Burlington, Cantril, Cedar Falls, Cedar Rapids, Center Point, Central City, Clarksville, Clutier, Coggon, Columbus Junction, Conesville, Conroy, Crawfordsville, Danville, Denmark, Denver, Dodgeville, Donnellson, Dunkerton, Dysart, Elberon, Ely, Fairbank, Fairfax, Farmington, Fort Madison, Frederika, Garrison, Grandview, Grundy Center, Guernsey, Hartwick, Hazleton, Hills, Hillsboro, Houghton, Hudson, Independence, Iowa City, Janesville, Jesup, Kalona, Keokuk, Keosauqua, Keswick, Keystone, Kingston, Kinross, La Porte City, Ladora, Letts, Lisbon, Lockridge, Lone Tree, Marengo, Martelle, Mediapolis, Millersburg, Monticello, Montrose, Morley, Morning Sun, Mount Auburn, Mount Pleasant, Mount Sterling, Mount Union, Mount Vernon, New London, Newhall, Nichols, North English, North Liberty, Norway, Oakville, Oelwein, Olds, Olin, Oran, Oxford, Packwood, Palo, Parkersburg, Plainfield, Prairieburg, Primrose, Quasqueton, Readlyn, Reinbeck, Richland, Riverside, Rowley, Salem, Sharon Center, Shell Rock, Shellsburg, Solon, South English, Springville, Stockport, Swisher, Tiffin, Traer, Tripoli, Troy Mills, Urbana, Van Horne, Victor, Vinton, Walker, Wapello, Washington, Waterloo, Waverly, Wayland, Wellman, West Branch, West Chester, West Liberty, West Point, Williamsburg, Winfield, Winthrop