| Locality | Post Code |
|---|---|
| Carey, Iron | 54534 |
| Cedar, Iron | 54559 |
| Gile, Iron | 54525 |
| Gurney, Iron | 54559 |
| Hurley, Iron | 54534 |
| Iron Belt, Iron | 54536 |
| Kimball, Iron | 54534 |
| Mercer, Iron | 54547 |
| Montreal, Iron | 54550 |
| Oma, Iron | 54534 |
| Pence, Iron | 54550 |
| Saxon, Iron | 54559 |
| Upson, Iron | 54565 |