List of All ZIP Codes in Saint Charles County Census Division | ||||
|---|---|---|---|---|
| Map Index | ZIP Code Code | ZIP Code Name | ||
| 63301 | Saint Charles | |||
| 63303 | Saint Charles | |||
| 63304 | Saint Charles | |||
| 63332 | Augusta | |||
| 63338 | Cottleville | |||
| 63341 | Defiance | |||
| 63348 | Foristell | |||
| 63365 | New Melle | |||
| 63366 | O'Fallon | |||
| 63367 | Lake Saint Louis | |||
| 63368 | O'Fallon | |||
| 63373 | Portage Des Sioux | |||
| 63376 | Saint Peters | |||
| 63385 | Wentzville | |||
| 63386 | West Alton | |||