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Post Offices by County

SAINT CHARLES COUNTY, MISSOURI

ZIP Code Post Office Date Established Date Discontinued
63332 AUGUSTA 12/31/1816
BLACK WALNUT 06/09/1875 06/30/1908
BOSCHERT TOWN 09/30/1879 07/05/1881
63338 COTTLEVILLE
63341 DEFIANCE 06/29/1894
63346 FLINT HILL
63348 FORISTELL
MACHENS 11/21/1895 01/31/1956
63365 NEW MELLE
63366 O'FALLON
ORCHARDFARM 07/23/1894 05/31/1953
PORTAGE DES SIOUX 07/29/1819 01/01/1827
63373 PORTAGE DES SIOUX 06/17/1858
PORTAGE DES SIOUX 02/12/1833 10/20/1851
63301 SAINT CHARLES
63376 SAINT PETERS
63385 WENTZVILLE
63386 WESTALTON 08/10/1874

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