Postmaster Finder
Postal History
Research Sources
Postmaster Finder
Post Offices by County
AITKIN COUNTY,
MINNESOTA
ZIP Code
Post Office
Date Established
Date Discontinued
56431
AITKIN
05/29/1872
55748
HILL CITY
55752
JACOBSON
04/14/2007
56350
MC GRATH
55760
MC GREGOR
03/12/1890
56469
PALISADE
REDTOP
04/08/1909
03/15/1954
55785
SWATARA
06/30/1986
55787
TAMARACK
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