Postmaster Finder
Postal History
Research Sources
Postmaster Finder
Post Offices by County
MAHASKA COUNTY,
IOWA
ZIP Code
Post Office
Date Established
Date Discontinued
50027
BARNES CITY
06/19/1854
52534
BEACON
52543
CEDAR
52561
FREMONT
50143
LEIGHTON
50207
NEW SHARON
52577
OSKALOOSA
06/19/1844
52586
ROSE HILL
50253
TAINTOR
04/27/1996
52595
UNIVERSITY PARK
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