| Locality | Post Code |
|---|---|
| Cache, Alexander | 62914 |
| Cairo, Alexander | 62914 |
| East Cape Girardeau, Alexander | 62957 |
| Elco, Alexander | 62988 |
| Fayville, Alexander | 62990 |
| Future City, Alexander | 62914 |
| Gale, Alexander | 62990 |
| Klondike, Alexander | 62914 |
| McClure, Alexander | 62957 |
| Miller City, Alexander | 62962 |
| Olive Branch, Alexander | 62969 |
| Tamms, Alexander | 62988 |
| Thebes, Alexander | 62990 |
| Unity, Alexander | 62993 |
| Urbandale, Alexander | 62914 |