| 60111 Clare | 815/779 | DeKalb County | Illinois (IL) |
| 60112 Cortland | 815/779 | DeKalb County | Illinois (IL) |
| 60115 Dekalb | 815/779 | DeKalb County | Illinois (IL) |
| 60129 Esmond | 815/779 | DeKalb County | Illinois (IL) |
| 60146 Fairdale | 815/779 | DeKalb County | Illinois (IL) |
| 60135 Genoa | 815/779 | DeKalb County | Illinois (IL) |
| 60145 Herbert | 815/779 | DeKalb County | Illinois (IL) |
| 60520 Hinckley | 815/779 | DeKalb County | Illinois (IL) |
| 60145 Kingston | 815/779 | DeKalb County | Illinois (IL) |
| 60146 Kirkland | 815/779 | DeKalb County | Illinois (IL) |
| 60150 Malta | 815/779 | DeKalb County | Illinois (IL) |
| 60556 McGirr | 815/779 | DeKalb County | Illinois (IL) |
| 60548 Sandwich | 815/779 | DeKalb County | Illinois (IL) |
| 60550 Shabbona | 815/779 | DeKalb County | Illinois (IL) |
| 60552 Somonauk | 815/779 | DeKalb County | Illinois (IL) |
| 60178 Sycamore | 815/779 | DeKalb County | Illinois (IL) |
| 60145 Valley View | 815/779 | DeKalb County | Illinois (IL) |
| 60556 Waterman | 815/779 | DeKalb County | Illinois (IL) |