| Localité | Code postal |
|---|---|
| Beryl, Iron | 84714 |
| Beryl Junction, Iron | 84714 |
| Brian Head, Iron | 84719 |
| Cedar City, Iron | 84720, 84721 |
| Enoch, Iron | 84720, 84721 |
| Kanarraville, Iron | 84742 |
| Modena, Iron | 84753 |
| Newcastle, Iron | 84756 |
| Paragonah, Iron | 84760 |
| Parowan, Iron | 84761 |
| Pinto, Iron | 84756 |
| Pintura, Iron | 84720 |
| Summit, Iron | 84772 |
| Uvada, Iron | 84753 |