| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Sumach, Yakima | 98901, 98903 |
| Postal/ZIP Codes in Sunnyside, Yakima | 98944 |
| Postal/ZIP Codes in Tampico, Yakima | 98902 |
| Postal/ZIP Codes in Tieton, Yakima | 98947 |
| Postal/ZIP Codes in Toppenish, Yakima | 98948 |
| Postal/ZIP Codes in Union Gap, Yakima | 98901, 98903 |
| Postal/ZIP Codes in Wapato, Yakima | 98951 |
| Postal/ZIP Codes in Weikel, Yakima | 98902 |
| Postal/ZIP Codes in West Side, Yakima | 98902 |
| Postal/ZIP Codes in White Pass, Yakima | 98937 |
| Postal/ZIP Codes in White Swan, Yakima | 98952 |
| Postal/ZIP Codes in Yakima, Yakima | 98901, 98902, 98903, 98908 |
| Postal/ZIP Codes in Zillah, Yakima | 98953 |