| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 99323 | Burbank | Walla Walla County | Standard |
| 99324 | College Place | Walla Walla County | Standard |
| 99329 | Dixie | Walla Walla County | Standard |
| 99348 | Prescott | Walla Walla County | Standard |
| 99360 | Touchet | Walla Walla County | Standard |
| 99361 | Waitsburg | Walla Walla County | Standard |
| 99362 | Walla Walla | Walla Walla County | Standard |
| 99363 | Wallula | Walla Walla County | PO Box |