- Adair County
- Includes:- Adair, Bridgewater, Casey, Fontanelle, Greenfield, Orient, Stuart.
- Adams County
- Includes:- Carbon, Corning, Lenox, Nodaway, Prescott.
- Allamakee County
- Includes:- Harpers Ferry, Lansing, New Albin, Postville, Waterville, Waukon.
- Appanoose County
- Includes:- Centerville, Cincinnati, Exline, Moravia, Moulton, Mystic, Numa, Plano, Rathbun, Udell, Unionville.
- Audubon County
- Includes:- Audubon, Brayton, Exira, Gray, Kimballton.
- Benton County
- Includes:- Atkins, Belle Plaine, Blairstown, Garrison, Keystone, Luzerne, Mount Auburn, Newhall, Norway, Shellsburg, Urbana, Van Horne, Vinton, Walford.
- Black Hawk County
- Includes:- Cedar Falls, Dewar, Dunkerton, Eagle Center, Elk Run Heights, Evansdale, Finchford, Gilbertville, Glasgow, Hudson, Janesville, Jesup, La Porte City, Raymond, Washburn, Waterloo, Voorhies.
- Boone County
- Includes:- Beaver, Berkley, Boone, Boxholm, Fraser, Luther, Madrid, Ogden, Pilot Mound, Sheldahl.
- Bremer County
- Includes:- Denver, Frederika, Plainfield, Readlyn, Sumner, Tripoli, Waverly.
- Buchanan County
- Includes:- Aurora, Brandon, Bryantsburg, Fairbank, Hazleton, Independence, Jesup, Lamont, Littleton, Monti, Otterville, Quasqueton, Rowley, Stanley, Winthrop.
- Buena Vista County
- Includes:- Albert City, Alta, Lakeside, Linn Grove, Marathon, Newell, Rembrandt, Sioux Rapids, Storm Lake, Truesdale.
- Butler County
- Includes:- Allison, Aplington, Aredale, Bristow, Clarksville, Dumont, Greene, New Hartford, Parkersburg, Shell Rock.
- Calhoun County
- Includes:- Farnhamville, Jolley, Knierim, Lake City, Lohrville, Lytton, Manson, Pomeroy, Rinard, Rockwell City, Somers, Yetter.
- Carroll County
- Includes:- Arcadia, Breda, Carroll, Coon Rapids, Dedham, Glidden, Halbur, Lanesboro, Lidderdale, Manning, Ralston, Templeton, Willey.
- Cass County
- Includes:- Anita, Atlantic, Cumberland, Griswold, Lewis, Marne, Massena, Wiota.
- Cedar County
- Includes:- Bennett, Clarence, Durant, Lowden, Mechanicsville, Stanwood, Tipton, West Branch, Wilton.
- Cerro Gordo County
- Includes:- Clear Lake, Dougherty, Mason City, Meservey, Nora Springs, Plymouth, Rock Falls, Rockwell, Swaledale, Thornton, Ventura.
- Cherokee County
- Includes:- Aurelia, Cherokee, Cleghorn, Larrabee, Marcus, Meriden, Quimby, Washta.
- Chickasaw County
- Includes:- Alta Vista, Bassett, Fredericksburg, Ionia, Lawler, Nashua, New Hampton, North Washington, Protivin.
- Clarke County
- Includes:- Murray, Osceola, Woodburn.
- Clay County
- Includes:- Dickens, Everly, Fostoria, Gillett Grove, Greenville, Peterson, Rossie, Royal, Spencer, Webb.
- Clayton County
- Includes:- Clayton, Edgewood, Elkader, Elkport, Farmersburg, Garber, Garnavillo, Guttenberg, Littleport, Luana, Marquette, McGregor, Millville, Monona, North Buena Vista, Osterdock, St. Olaf, Strawberry Point, Volga.
- Clinton County
- Includes:- Andover, Calamus, Camanche, Charlotte, Clinton, De Witt, Delmar, Goose Lake, Grand Mound, Lost Nation, Low Moor, Toronto, Welton, Wheatland.
- Crawford County
- Includes:- Arion, Aspinwall, Buck Grove, Charter Oak, Deloit, Denison, Dow City, Kiron, Manilla, Ricketts, Schleswig, Vail, Westside.
- Dallas County
- Includes:- Adel, Booneville, Bouton, Clive(part), Dallas Center, Dawson, De Soto, Dexter, Granger, Grimes, Linden, Minburn, Perry, Redfield, Urbandale(part), Van Meter, Waukee, West Des Moines(part), Woodward.
- Davis County
- Includes:- Bloomfield, Drakesville, Floris, Pulaski.
- Decatur County
- Includes:- Davis City, Decatur, Garden Grove, Grand River, Lamoni, Leon, Pleasanton, Van Wert, Weldon.
- Delaware County
- Includes:- Colesburg, Delaware, Delhi, Dundee, Dyersville, Earlville, Greeley, Hopkinton, Manchester, Masonville, Ryan.
- Des Moines County
- Includes:- Burlington, Danville, Mediapolis, Middletown, West Burlington.
- Dickinson County
- Includes:- Arnolds Park, Lake Park, Milford, Okoboji, Orleans, Spirit Lake, Superior, Terril, Wahpeton, West Okoboji.
- Dubuque County
- Includes:- Asbury, Balltown, Bankston, Bernard, Cascade, Centralia, Dubuque, Durango, Epworth, Farley, Graf, Holy Cross, Luxemburg, New Vienna, Peosta, Rickardsville, Sageville, Sherrill, Worthington, Zwingle.
- Emmet County
- Includes:- Armstrong, Dolliver, Estherville, Gruver, Ringsted, Wallingford.
- Fayette County
- Includes:- Arlington, Clermont, Donnan, Elgin, Fayette, Hawkeye, Maynard, Oelwein, Randalia, St. Lucas, Wadena, Waucoma, West Union, Westgate.
- Floyd County
- Includes:- Charles City, Colwell, Floyd, Marble Rock, Rockford, Rudd.
- Franklin County
- Includes:- Alexander, Bradford, Chapin, Coulter, Geneva, Hampton, Hansell, Latimer, Popejoy, Sheffield.
- Fremont County
- Includes:- Farragut, Hamburg, Imogene, Randolph, Riverton, Shenandoah, Sidney, Tabor, Thurman.
- Greene County
- Includes:- Churdan, Cooper, Dana, Grand Junction, Jefferson, Paton, Rippey, Scranton.
- Grundy County
- Includes:- Beaman, Conrad, Dike, Grundy Center, Holland, Morrison, Reinbeck, Stout, Wellsburg.
- Guthrie County
- Includes:- Bagley, Bayard, Guthrie Center, Jamaica, Menlo, Panora, Yale.
- Hamilton County
- Includes:- Blairsburg, Ellsworth, Jewell Junction, Kamrar, Randall, Stanhope, Stratford, Webster City, Williams.
- Hancock County
- Includes:- Britt, Corwith, Crystal Lake, Forest City, Garner, Goodell, Kanawha, Klemme, Woden.
- Hardin County
- Includes:- Ackley, Alden, Buckeye, Eldora, Garden City, Gifford, Hubbard, Iowa Falls, New Providence, Radcliffe, Steamboat Rock, Union, Whitten.
- Harrison County
- Includes:- Dunlap, Little Sioux, Logan, Magnolia, Missouri Valley, Modale, Mondamin, Persia, Pisgah, Woodbine.
- Henry County
- Includes:- Coppock, Hillsboro, Mount Pleasant, Mount Union, New London, Olds, Rome, Salem, Wayland, Westwood, Winfield.
- Howard County
- Includes:- Chester, Cresco, Elma, Lime Springs, Riceville.
- Humboldt County
- Includes:- Bode, Bradgate, Dakota City, Gilmore City, Hardy, Humboldt, Livermore, Lu Verne, Ottosen, Pioneer, Renwick, Rutland, Thor.
- Ida County
- Includes:- Arthur, Battle Creek, Galva, Holstein, Ida Grove.
- Iowa County
- Includes:- Amana, Ladora, Marengo, Millersburg, North English, Parnell, Victor, Williamsburg.
- Jackson County
- Includes:- Andrew, Baldwin, Bellevue, La Motte, Maquoketa, Miles, Monmouth, Preston, Sabula, Spragueville, Springbrook, St. Donatus.
- Jasper County
- Includes:- Baxter, Colfax, Ira, Kellogg, Lambs Grove, Lynnville, Mingo, Mitchellville, Monroe, Newton, Oakland Acres, Prairie City, Reasnor, Sully, Valeria.
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- Jefferson County
- Includes:- Batavia, Fairfield, Libertyville, Lockridge, Packwood, Pleasant Plain.
- Johnson County
- Includes:- Coralville, Hills, Iowa City,
North Liberty, Oxford, Shueyville, Solon, Swisher, Tiffin, University Heights, and a small part of Lone Tree.
- Jones County
- Includes:- Anamosa, Center Junction, Martelle, Monticello, Morley, Olin, Onslow, Oxford Junction, Wyoming.
- Keokuk County
- Includes:- Delta, Gibson, Harper, Hayesville, Hedrick, Keota, Keswick, Kinross, Martinsburg, Ollie, Richland, Sigourney, South English, Thornburg, Webster, What Cheer.
- Kossuth County
- Includes:- Algona, Bancroft, Burt, Fenton, Lakota, Ledyard, Lone Rock, Swea City, Titonka, Wesley, West Bend, Whittemore.
- Lee County
- Includes:- Donnellson, Fort Madison, Franklin, Houghton, Keokuk, Montrose, St. Paul, West Point.
- Linn County
- Includes:- Alburnett, Bertram, Cedar Rapids, Center Point, Central City, Coggon, Ely, Fairfax, Hiawatha, Lisbon, Marion, Mount Vernon, Palo, Prairieburg, Robins, Springville, Walker.
- Louisa County
- Includes:- Columbus City, Columbus Junction, Cotter, Fredonia, Grandview, Letts, Morning Sun, Oakville, Wapello.
- Lucas County
- Includes:- Chariton, Derby, Lucas, Russell, Williamson.
- Lyon County
- Includes:- Alvord, Doon, George, Inwood, Larchwood, Lester, Little Rock, Rock Rapids.
- Madison County
- Includes:- Bevington, Earlham, East Peru, Macksburg, Patterson, St. Charles, Truro, Winterset.
- Mahaska County
- Includes:- Barnes City, Beacon, Eddyville, Fremont, Keomah Village, Leighton, New Sharon, Oskaloosa, Rose Hill, University Park.
- Marion County
- Includes:- Bussey, Columbia, Dallas, Hamilton, Harvey, Knoxville, Melcher, Melcher-Dallas, Otley, Pella, Pleasantville, Swan, Tracy.
- Marshall County
- Includes:- Albion, Clemons, Ferguson, Gilman, Haverhill, Laurel, Le Grand, Liscomb, Marshalltown, Melbourne, Rhodes, St. Anthony, State Center.
- Mills County
- Includes:- Emerson, Glenwood, Hastings, Henderson, Malvern, Pacific Junction, Silver City.
- Mitchell County
- Includes:- Carpenter, McIntire, Mitchell, Orchard, Osage, St. Ansgar, Stacyville.
- Monona County
- Includes:- Blencoe, Castana, Mapleton, Moorhead, Onawa, Rodney, Soldier, Turin, Ute, Whiting.
- Monroe County
- Includes:- Albia, Lovilia, Melrose.
- Montgomery County
- Includes:- Coburg, Elliott, Grant, Red Oak, Stanton, Villisca.
- Muscatine County
- Includes:- Atalissa, Conesville, Fruitland, Muscatine, Nichols, Stockton, Walcott, West Liberty.
- O-Brien County
- O'Brien County Includes:- Archer, Calumet, Hartley, Paullina, Primghar, Sanborn, Sheldon, Sutherland.
- Osceola County
- Includes:- Ashton, Harris, Melvin, Ocheyedan, Sibley.
- Page County
- Includes:- Blanchard, Braddyville, Clarinda, Coin, College Springs, Essex, Hepburn, Northboro, Shambaugh, Yorktown.
- Palo Alto County
- Includes:- Ayrshire, Curlew, Cylinder, Emmetsburg, Graettinger, Mallard, Rodman, Ruthven.
- Plymouth County
- Includes:- Akron, Brunsville, Craig, Hinton, Kingsley, Le Mars, Merrill, Oyens, Remsen, Struble, Westfield.
- Pocahontas County
- Includes:- Fonda, Havelock, Laurens, Palmer, Plover, Pocahontas, Rolfe, Varina.
- Polk County
- Includes:- Alleman, Altoona, Ankeny, Berwick, Bondurant, Carlisle, Clive, Des Moines, Elkhart, Grimes, Johnston, Mitchellville, Pleasant Hill, Polk City, Runnells, Saylorville, Urbandale, West Des Moines, Windsor Heights.
- Pottawattamie County
- Includes:- Avoca, Carson, Carter Lake, Council Bluffs, Crescent, Hancock, Macedonia, McClelland, Minden, Neola, Oakland, Shelby, Treynor, Underwood, Walnut.
- Poweshiek County
- Includes:- Brooklyn, Deep River, Grinnell, Guernsey, Hartwick, Malcom, Montezuma, Searsboro.
- Ringgold County
- Includes:- Beaconsfield, Benton, Clearfield, Delphos, Diagonal, Ellston, Kellerton, Maloy, Mount Ayr, Redding, Shannon City, Tingley.
- Sac County
- Includes:- Auburn, Early, Lake View, Nemaha, Odebolt, Sac City, Schaller, Wall Lake.
- Scott County
- Includes:- Bettendorf, Blue Grass, Buffalo, Davenport, Dixon, Donahue, Eldridge, Le Claire, Long Grove, Maysville, McCausland, New Liberty, Panorama Park, Park View, Princeton, Riverdale.
- Shelby County
- Includes:- Defiance, Earling, Elk Horn, Harlan, Irwin, Kirkman, Panama, Portsmouth, Tennant, Westphalia.
- Sioux County
- Includes:- Alton, Boyden, Chatsworth, Granville, Hawarden, Hospers, Hull, Ireton, Matlock, Maurice, Orange City, Rock Valley, Sioux Center.
- Story County
- Includes:- Ames, Cambridge, Collins, Colo, Gilbert, Huxley, Kelley, Maxwell, McCallsburg, Nevada, Roland, Slater, Story City, Zearing.
- Tama County
- Includes:- Chelsea, Clutier, Dysart, Elberon, Garwin, Gladbrook, Lincoln, Montour, Tama, Toledo, Traer, Vining.
- Taylor County
- Includes:- Athelstan, Bedford, Blockton, Conway, Gravity, New Market, Sharpsburg.
- Union County
- Includes:- Afton, Arispe, Creston, Cromwell, Kent, Lorimor, Thayer.
- Van Buren County
- Includes:- Birmingham, Bentonsport, Bonaparte, Cantril, Douds, Farmington, Keosauqua, Leando, Milton, Mount Sterling, Stockport.
- Wapello County
- Includes:- Agency, Blakesburg, Chillicothe, Eldon, Kirkville, Ottumwa.
- Warren County
- Includes:- Ackworth, Carlisle, Cumming, Hartford, Indianola, Lacona, Martensdale, Milo, New Virginia, Norwalk, Sandyville, Spring Hill, St. Marys.
- Washington County
- Includes:- Ainsworth, Brighton, Crawfordsville, Kalona, Riverside, Washington, Wellman, West Chester.
- Wayne County
- Includes:- Allerton, Clio, Corydon, Humeston, Lineville, Millerton, Promise City, Sewal, Seymour.
- Webster County
- Includes:- Badger, Barnum, Callender, Clare, Coalville, Dayton, Duncombe, Fort Dodge, Gowrie, Harcourt, Lehigh, Moorland, Otho, Vincent.
- Winnebago County
- Includes:- Buffalo Center, Forest City, Lake Mills, Leland, Rake, Scarville, Thompson.
- Winneshiek County
- Includes:- Calmar, Castalia, Decorah, Fort Atkinson, Jackson Junction, Ossian, Ridgeway, Spillville.
- Woodbury County
- Includes:- Anthon, Bronson, Correctionville, Cushing, Danbury, Hornick, Lawton, Moville, Oto, Pierson, Salix, Sergeant Bluff, Sioux City, Sloan, Smithland.
- Worth County
- Includes:- Fertile, Grafton, Hanlontown, Joice, Kensett, Manly, Northwood.
- Wright County
- Includes:- Belmond, Clarion, Dows, Eagle Grove, Galt, Goldfield, Rowan, Woolstock.
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