Saint Charles County Missouri Zip Codes

Cities in

Below are a list of the cities located in Saint Charles County, MO. There are 17 total unique zip codes in Saint Charles County, Missouri. The time zone for Saint Charles County is the Central Daylight Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for is 29183.

The population in Saint Charles County, MO is currently 409,981. That is an increase of 13.61% vs the population of 360,485 in 2010.

Zip Codes for Saint Charles County, MO (17)
Zip Code
 City County
Zip Code Map
63301 Saint Charles Saint Charles
63302 Saint Charles Saint Charles
63303 Saint Charles Saint Charles
63304 Saint Charles Saint Charles
63332 Augusta Saint Charles
63338 Cottleville Saint Charles
63341 Defiance Saint Charles
63346 Flinthill Saint Charles
63348 Foristell Saint Charles
63365 New Melle Saint Charles
63366 O Fallon Saint Charles
63367 Lake Saint Louis Saint Charles
63368 O Fallon Saint Charles
63373 Portage Des Sioux Saint Charles
63376 Saint Peters Saint Charles
63385 Wentzville Saint Charles
63386 West Alton Saint Charles

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