Postmaster Finder
Postal History
Research Sources
Postmaster Finder
Post Offices by County
POLK COUNTY,
IOWA
ZIP Code
Post Office
Date Established
Date Discontinued
50007
ALLEMAN
50009
ALTOONA
07/31/1868
50021
ANKENY
50032
BERWICK
50035
BONDURANT
02/14/1884
50318
DES MOINES
12/13/1845
50073
ELKHART
50111
GRIMES
50131
JOHNSTON
04/28/1909
50169
MITCHELLVILLE
50226
POLK CITY
11/05/1849
50237
RUNNELLS
03/24/1882
50243
SHELDAHL
11/10/1874
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