| Localité | Code postal |
|---|---|
| Amity, Yamhill | 97101 |
| Carlton, Yamhill | 97111 |
| Dayton, Yamhill | 97114 |
| Dundee, Yamhill | 97115 |
| Grand Island, Yamhill | 97114 |
| Lafayette, Yamhill | 97127 |
| McMinnville, Yamhill | 97128 |
| Newberg, Yamhill | 97132 |
| Sheridan, Yamhill | 97378 |
| Willamina, Yamhill | 97396 |
| Yamhill, Yamhill | 97148 |