Region I – St. Louis City;
Region II – Bollinger, Butler, Cape Girardeau, Dunklin, Mississippi, New Madrid, Pemiscot, Scott, Stoddard, and Wayne;
Region III – Lincoln, Pike, St. Charles, St. Louis County, and Warren;
Region IV – Adair, Clark, Knox, Lewis, Linn, Macon, Marion, Putnam, Schuyler, Scotland, Shelby, and Sullivan;
Region V – Camden, Cole, Crawford, Gasconade, Laclede, Maries, Miller, Moniteau, Morgan, Phelps, Pulaski and Osage;
Region VI – Barton, Cedar, Christian, Dade, Dallas, Greene, Hickory, Jasper, Lawrence, McDonald, Newton, Polk, Stone, Taney, Vernon, and Webster;
Region VII – Clay, Jackson, and Platte;
Region VIII – Andrew, Atchison, Buchanan, Caldwell, Clinton, Daviess, DeKalb, Gentry, Grundy, Harrison, Holt, Livingston, Mercer, Nodaway, and Worth;
Region IX – Franklin, Iron, Jefferson, Madison, Perry, St. Francois, St. Genevieve, and Washington;
Region X – Audrain, Boone, Callaway, Chariton, Cooper, Howard, Monroe, Montgomery, Ralls, and Randolph
Region XI – Bates, Benton, Carroll, Cass, Henry, Johnson, Lafayette, Pettis, Ray, Saline, and St. Clair
Region XII – Carter, Dent, Douglas, Howell, Oregon, Ozark, Reynolds, Ripley, Shannon, Texas, and Wright.