| Locality | Post Code |
|---|---|
| Ayrshire, Palo Alto | 50515 |
| Curlew, Palo Alto | 50527 |
| Cylinder, Palo Alto | 50528 |
| Emmetsburg, Palo Alto | 50536 |
| Graettinger, Palo Alto | 51342 |
| Lost Island Lake, Palo Alto | 51358 |
| Mallard, Palo Alto | 50562 |
| Osgood, Palo Alto | 50536 |
| Ruthven, Palo Alto | 51358 |
| West Bend, Palo Alto | 50597 |
| Whittemore, Palo Alto | 50598 |