| Locality | Post Code |
|---|---|
| Auburn, Sac | 51433 |
| Breda, Sac | 51436 |
| Carnarvon, Sac | 51450 |
| Early, Sac | 50535 |
| Grant City, Sac | 51433 |
| Kiron, Sac | 51448 |
| Lake View, Sac | 51450 |
| Lytton, Sac | 50561 |
| Nemaha, Sac | 50567 |
| Newell, Sac | 50568 |
| Odebolt, Sac | 51458 |
| Sac City, Sac | 50583 |
| Schaller, Sac | 51053 |
| Wall Lake, Sac | 51466 |
| Yetter, Sac | 51433 |