Postmaster Finder
Postal History
Research Sources
Postmaster Finder
Post Offices by County
WASHBURN COUNTY,
WISCONSIN
ZIP Code
Post Office
Date Established
Date Discontinued
54817
BIRCHWOOD
54833
EARL
08/30/1905
07/01/1984
54859
MINONG
54870
SARONA
54871
SHELL LAKE
54801
SPOONER
54875
SPRINGBROOK
54888
TREGO
05/06/1879
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