| Ortschaft | Postleitzahl |
|---|---|
| Bennington, Douglas | 68007 |
| Benson, Douglas | 68104 |
| Boys Town, Douglas | 68010 |
| Elkhorn, Douglas | 68022 |
| Florence, Douglas | 68112 |
| Millard, Douglas | 68144 |
| Omaha, Douglas | 68102, 68103, 68104, 68105, 68106, … |
| Ralston, Douglas | 68127 |
| Valley, Douglas | 68064 |
| Waterloo, Douglas | 68069 |