| Northwest Region |
Boone, Carroll, DeKalb, Jo Daviess, Lee, McHenry, Ogle, Stephensen, Whiteside, Winnebago |
| North Suburban Region |
Cook (Map of Chicago (pdf)), DuPage, Kane, Kendall, Lake |
| City of Chicago |
See Map of Chicago (pdf) area for all areas included in this Region |
| South Suburban Region |
Cook (Map of Chicago (pdf)), Grundy, Kankakee, Will |
| North Central Region |
Bureau, Champaign, Ford, Fulton, Henderson, Henry, Iroquois, Knox, LaSalle, Livingston, Marshall, Mason, McDonough, McLean, Mercer, Peoria, Putnam, Rock Island, Stark, Tazewell, Vermillion, Warren, Woodford |
| Central Region |
Adams, Brown, Calhoun, Cass, Christian, Clark, Coles, Cumberland, DeWitt, Douglas, Edgar, Effingham, Greene, Hancock, Jersey, Logan, Macon, Macoupin, Menard, Montgomery, Morgan, Moultrie, Piatt, Pike, Sangamon, Schuyler, Scott, Shelby |
| Southern Region |
Alexander, Bond, Clay, Clinton, Crawford, Edwards, Fayette, Franklin, Gallatin, Hamilton, Hardin, Jackson, Jasper, Jefferson, Johnson, Lawrence, Madison, Marion, Massac, Monroe, Perry, Pope, Pulaski, Randolph, Richland, St. Clair, Saline, Union, Wabash, Washington, Wayne, White, Williamson |
