ZIP CodesZIP codes in Kittitas County, Washington
Kittitas County, Washington has 9 ZIP codes in this list, from 98922 to 98950. They cover 9 places, among them Cle Elum, Easton, Ellensburg and Kittitas.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 98922 | Cle Elum | 416 | 47.206, -120.969 |
| 98925 | Easton | 124 | 47.233, -121.177 |
| 98926 | Ellensburg | 938 | 47.000, -120.516 |
| 98934 | Kittitas | 1.1 | 46.981, -120.416 |
| 98940 | Ronald | 160 | 47.250, -121.046 |
| 98941 | Roslyn | 1.6 | 47.223, -121.002 |
| 98943 | South Cle Elum | 0.8 | 47.189, -120.954 |
| 98946 | Thorp | 46.7 | 47.068, -120.671 |
| 98950 | Vantage | 39.9 | 46.871, -119.986 |
The ZIP code areas of Kittitas County add up to about 1,729 square miles of land (4,477 sq km) as the Census Bureau draws them. The largest is 98926 (Ellensburg), with 938 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Cle Elum, WA 98922.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.