Postmaster Finder
Postal History
Research Sources
Postmaster Finder
Post Offices by County
MARSHALL COUNTY,
MINNESOTA
ZIP Code
Post Office
Date Established
Date Discontinued
56710
ALVARADO
56713
ARGYLE
56724
GATZKE
56727
GRYGLA
56737
MIDDLE RIVER
56738
NEWFOLDEN
11/26/1884
56744
OSLO
56757
STEPHEN
03/31/1879
56758
STRANDQUIST
02/07/1899
56760
VIKING
56762
WARREN
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