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Saint Charles ZIP Codes — Missouri (MO)
| City or Location | County or District | States or Territories | States or Territories Abbrieviation | ZIP Code or Postcode |
|---|---|---|---|---|
| Saint Charles | Saint Charles | Missouri | MO | 63301 |
| Saint Charles | Saint Charles | Missouri | MO | 63302 |
| Saint Charles | Saint Charles | Missouri | MO | 63303 |
| Saint Charles | Saint Charles | Missouri | MO | 63304 |
| Augusta | Saint Charles | Missouri | MO | 63332 |
| Cottleville | Saint Charles | Missouri | MO | 63338 |
| Defiance | Saint Charles | Missouri | MO | 63341 |
| Flinthill | Saint Charles | Missouri | MO | 63346 |
| Foristell | Saint Charles | Missouri | MO | 63348 |
| New Melle | Saint Charles | Missouri | MO | 63365 |
| O Fallon | Saint Charles | Missouri | MO | 63366 |
| Lake Saint Louis | Saint Charles | Missouri | MO | 63367 |
| O Fallon | Saint Charles | Missouri | MO | 63368 |
| Portage Des Sioux | Saint Charles | Missouri | MO | 63373 |
| Saint Peters | Saint Charles | Missouri | MO | 63376 |
| Wentzville | Saint Charles | Missouri | MO | 63385 |
| West Alton | Saint Charles | Missouri | MO | 63386 |
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