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POWESHIEK COUNTY,
IOWA
ZIP Code
Post Office
Date Established
Date Discontinued
52211
BROOKLYN
08/28/1869
BROOKLYN
11/05/1849
01/20/1871
52222
DEEP RIVER
50112
GRINNELL
52232
HARTWICK
05/03/2008
50157
MALCOM
50171
MONTEZUMA
50242
SEARSBORO
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