989
- 98901 Yakima
- 98902 Yakima
- 98903 Union Gap
- 98908 Yakima
- 98921 Buena
- 98922 Cle Elum
- 98923 Cowiche
- 98925 Easton
- 98926 Ellensburg
- 98929
- 98930 Grandview
- 98932 Granger
- 98933 Harrah
- 98934 Kittitas
- 98935 Mabton
- 98936 Moxee
- 98937 Naches
- 98938 Outlook
- 98939 Parker
- 98940 Ronald
- 98941 Roslyn
- 98942 Selah
- 98943 South Cle Elum
- 98944 Sunnyside
- 98946 Thorp
- 98947 Tieton
- 98948 Toppenish
- 98950 Vantage
- 98951 Wapato
- 98952 White Swan
- 98953 Zillah