Postmaster Finder
Postal History
Research Sources
Postmaster Finder
Post Offices by County
KITTITAS COUNTY,
WASHINGTON
ZIP Code
Post Office
Date Established
Date Discontinued
98922
CLE ELUM
98821
DRYDEN
98925
EASTON
06/23/1890
98926
ELLENSBURG
98934
KITTITAS
98940
RONALD
02/15/1890
98941
ROSLYN
01/18/1887
98943
SOUTH CLE ELUM
98946
THORP
09/14/1881
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