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Post Offices by County

CERRO GORDO COUNTY, IOWA

ZIP Code Post Office Date Established Date Discontinued
50428 CLEAR LAKE
50433 DOUGHERTY 07/13/2011
50401 MASON CITY 09/05/1855
50457 MESERVEY
50464 PLYMOUTH
ROCK FALLS 08/03/1973
50469 ROCKWELL
50477 SWALEDALE 04/13/1887
50479 THORNTON
50482 VENTURA

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