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OLMSTED COUNTY,
MINNESOTA
ZIP Code
Post Office
Date Established
Date Discontinued
55920
BYRON
07/06/1857
DOVER
06/17/1858
11/13/1866
55929
DOVER
06/08/1868
55934
EYOTA
09/24/1864
HIGH FOREST
09/06/1855
07/31/1902
55960
ORONOCO
12/19/1854
55901
ROCHESTER
03/09/1855
55976
STEWARTVILLE
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