Notering byer (14 sted (er)). Velg byen for å se postnummeret (s):
| Kahlotus (1) Kalama (1) Kapowsin (1) Keller (1) Kelso (1) Kenmore (1) Kennewick (3) | Kent (7) Kettle Falls (1) Keyport (1) Kingston (1) Kirkland (3) Kittitas (1) Klickitat (1) |
