| Locality | Post Code |
|---|---|
| Carbonville, Carbon | 84501 |
| Castle Gate, Carbon | 84526 |
| East Carbon, Carbon | 84520 |
| East Wellington, Carbon | 84542 |
| Helper, Carbon | 84526 |
| Kenilworth, Carbon | 84529 |
| Martin, Carbon | 84526 |
| Price, Carbon | 84501 |
| Scofield, Carbon | 84526 |
| Spring Glen, Carbon | 84526 |
| Standardville, Carbon | 84526 |
| Sunnyside, Carbon | 84539 |
| Wellington, Carbon | 84542 |