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Post Offices by County

ROCK COUNTY, WISCONSIN

ZIP Code Post Office Date Established Date Discontinued
53501 AFTON 12/22/1854
53505 AVALON
53511 BELOIT
53525 CLINTON
53534 EDGERTON
53536 EVANSVILLE 03/03/1851
53537 FOOTVILLE 07/06/1846
53542 HANOVER
53545 JANESVILLE
53563 MILTON
MILTON JUNCTION 06/22/1974
53576 ORFORDVILLE 05/14/1857
SPRING VALLEY 06/04/1846 07/27/1866
53592 TIFFANY 04/09/1984

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