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Post Offices by County

JEFFERSON COUNTY, WISCONSIN

ZIP Code Post Office Date Established Date Discontinued
53538 FORT ATKINSON
53137 HELENVILLE 02/25/1851
53036 IXONIA 12/04/1860
53549 JEFFERSON
53038 JOHNSON CREEK 07/25/1848
53551 LAKE MILLS
53156 PALMYRA
53178 SULLIVAN
53594 WATERLOO
53094 WATERTOWN 08/15/1837

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