Postmaster Finder
Postal History
Research Sources
Postmaster Finder
Post Offices by County
SKAGIT COUNTY,
WASHINGTON
ZIP Code
Post Office
Date Established
Date Discontinued
98221
ANACORTES
03/13/1879
98232
BOW
98233
BURLINGTON
98235
CLEARLAKE
06/10/1891
98237
CONCRETE
98238
CONWAY
07/10/1893
FIDALGO
12/27/1870
07/30/1910
98255
HAMILTON
10/09/1884
98257
LA CONNER
98263
LYMAN
98267
MARBLEMOUNT
98273
MOUNT VERNON
PRAIRIE
03/06/1884
07/15/1925
98283
ROCKPORT
03/13/1905
SEDRO
12/07/1885
06/22/1899
98284
SEDRO WOOLLEY
05/05/1890
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