| 84001 Altamont | 435 | Duchesne County | Utah (UT) |
| 84001 Boneta | 435 | Duchesne County | Utah (UT) |
| 84002 Altonah | 435 | Duchesne County | Utah (UT) |
| 84007 Upalco | 435 | Duchesne County | Utah (UT) |
| 84007 Bluebell | 435 | Duchesne County | Utah (UT) |
| 84021 Duchesne | 435 | Duchesne County | Utah (UT) |
| 84021 Bridgeland | 435 | Duchesne County | Utah (UT) |
| 84021 Arcadia | 435 | Duchesne County | Utah (UT) |
| 84027 Fruitland | 435 | Duchesne County | Utah (UT) |
| 84031 Defas Park | 435 | Duchesne County | Utah (UT) |
| 84031 Duchesne | 435 | Duchesne County | Utah (UT) |
| 84031 Hanna | 435 | Duchesne County | Utah (UT) |
| 84051 Mountain Home | 435 | Duchesne County | Utah (UT) |
| 84052 Myton | 435 | Duchesne County | Utah (UT) |
| 84053 Neola | 435 | Duchesne County | Utah (UT) |
| 84066 Ballard | 435 | Duchesne County | Utah (UT) |
| 84066 Ioka | 435 | Duchesne County | Utah (UT) |
| 84066 Roosevelt | 435 | Duchesne County | Utah (UT) |
| 84066 Monarch | 435 | Duchesne County | Utah (UT) |
| 84066 Leeton | 435 | Duchesne County | Utah (UT) |
| 84072 Tabiona | 435 | Duchesne County | Utah (UT) |
| 84073 Talmage | 435 | Duchesne County | Utah (UT) |