| Localité | Code postal |
|---|---|
| Alma, Harlan | 68920 |
| Holdrege, Harlan | 68969 |
| Huntley, Harlan | 68971 |
| Mullally, Harlan | 68971 |
| Naponee, Harlan | 68960 |
| Orleans, Harlan | 68966 |
| Oxford, Harlan | 68967 |
| Prairie Dog, Harlan | 68920 |
| Precept, Harlan | 68977 |
| Ragan, Harlan | 68969 |
| Republican City, Harlan | 68971 |
| Sappa, Harlan | 68977 |
| Scandinavia, Harlan | 68969 |
| Stamford, Harlan | 68977 |
| Wilcox, Harlan | 68982 |