| Locality | Post Code |
|---|---|
| Bartlett, Fremont | 51654 |
| Farragut, Fremont | 51639 |
| Hamburg, Fremont | 51640 |
| Imogene, Fremont | 51645 |
| Percival, Fremont | 51648 |
| Randolph, Fremont | 51649 |
| Riverton, Fremont | 51650 |
| Sidney, Fremont | 51652 |
| Tabor, Fremont | 51653 |
| Thurman, Fremont | 51654 |