Postmaster Finder
Postal History
Research Sources
Postmaster Finder
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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