Postmaster Finder
Postal History
Research Sources
Postmaster Finder
Post Offices by County
PENNINGTON COUNTY,
MINNESOTA
ZIP Code
Post Office
Date Established
Date Discontinued
56725
GOODRIDGE
HAZEL
12/21/1904
06/30/1954
56754
SAINT HILAIRE
56701
THIEF RIVER FALLS
08/23/1881
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