The Eastern Kansas Branch serves these counties:
Allen, KS
Anderson, KS
Chase, KS
Chautauqua, KS
Clay, KS
Cloud, KS
Coffey, KS
Dickinson, KS
Douglas, KS
Elk, KS
Ellsworth, KS
Franklin, KS
Geary, KS
Greenwood, KS
Jackson, KS
Jefferson, KS
Jewell, KS
Labette, KS
Lincoln, KS
Lyon, KS
Marion, KS
Marshall, KS
McPherson, KS
Mitchell, KS
Montgomery, KS
Morris, KS
Nemaha, KS
Neosho, KS
Osage, KS
Ottawa, KS
Pottawotamie, KS
Republic, KS
Rice, KS
Riley, KS
Saline, KS
Shawnee, KS
Wabaunsee, KS
Washington, KS
Wilson, KS
Woodson, KS