| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 97814 | Baker City | Baker County | Standard |
| 97824 | Cove | Union County | Standard |
| 97827 | Elgin | Union County | Standard |
| 97828 | Enterprise | Wallowa County | Standard |
| 97841 | Imbler | Union County | Standard |
| 97850 | La Grande | Union County | Standard |
| 97867 | North Powder | Union County | Standard |
| 97869 | Prairie City | Grant County | Standard |
| 97876 | Summerville | Union County | Standard |
| 97883 | Union | Union County | Standard |
| 97885 | Wallowa | Wallowa County | Standard |