Postmaster Finder
Postal History
Research Sources
Postmaster Finder
Post Offices by County
WAHKIAKUM COUNTY,
WASHINGTON
ZIP Code
Post Office
Date Established
Date Discontinued
98612
CATHLAMET
98621
GRAYS RIVER
09/30/1872
12/27/2003
98643
ROSBURG
98647
SKAMOKAWA
01/27/1873
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