| Localité | Code postal |
|---|---|
| Albert City, Buena Vista | 50510 |
| Alta, Buena Vista | 51002 |
| Bel Air Beach, Buena Vista | 50588 |
| Casino Beach, Buena Vista | 50588 |
| Cornell, Buena Vista | 50585 |
| Hanover, Buena Vista | 51002 |
| Juniata, Buena Vista | 50588 |
| Lakeside, Buena Vista | 50588 |
| Linn Grove, Buena Vista | 51033 |
| Marathon, Buena Vista | 50565 |
| Newell, Buena Vista | 50568 |
| Peterson, Buena Vista | 51047 |
| Rembrandt, Buena Vista | 50576 |
| Sioux Rapids, Buena Vista | 50585 |
| Storm Lake, Buena Vista | 50588 |
| Sulphur Springs, Buena Vista | 50588 |
| Truesdale, Buena Vista | 50592 |
| West Storm Lake, Buena Vista | 50588 |