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