Region 4 includes the Central Illinois counties of Hancock, Adams, Schuyler, Brown, Cass, Menard, Logan, Dewitt, Piatt, Douglas, Edgar, Clark, Coles, Cumberland, Effingham, Shelby, Moultrie, Macon, Christian, Montgomery, Sangamon, Morgan, Macoupin, Green, Jersey, Calhoun, Scott, and Pike.
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