Region 1 — Lake, Porter, LaPorte, Starke, Newton, Jasper, Pulaski, Cass, White, Benton, Warren, Tippecanoe, Carroll, Howard, Clinton, Montgomery, Fountain counties.
Region 2 — St. Joseph, Elkhart, La Grange, Steuben, De Kalb, Noble, Kosciusko, Marshall, Fulton, Whitley, Allen, Adams, Wells, Huntington, Wabash, Miami counties.
Region 3 — Grant, Blackford, Jay, Delaware, Randolph, Henry, Wayne, Rush, Fayette, Union, Franklin counties.
Region 4 — Brown, Bartholomew, Decatur, Dearborn, Ripley, Jennings, Jackson, Monroe, Washington, Scott, Jefferson, Ohio, Switzerland, Clark, Floyd counties.
Region 5 — Knox, Daviess, Martin, Lawrence, Orange, Crawford, Dubois, Pike, Gibson, Posey, Vanderburgh, Warrick, Spencer, Perry, Harrison counties.
Region 6 — Vermillion, Parke, Putnam, Owen, Clay, Vigo, Sullivan, Greene counties.
Region 7 — Tipton, Madison, Hamilton, Boone, Hendricks, Marion, Hancock, Shelby, Johnson, Morgan counties.