Postal Codes for O Fallon, Missouri
The postal codes for O Fallon, Missouri, United States (2 codes, e.g. 63366). With map location and coordinates.
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The postal codes for O Fallon, Missouri, United States (2 codes):
| Postal code | Place | County / area | Coordinates |
|---|---|---|---|
| 63366 | O Fallon | Saint Charles | 38.824, -90.743 |
| 63368 | O Fallon | Saint Charles | 38.751, -90.73 |
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Frequently asked questions
What is the postal code of O Fallon?
O Fallon has 2 postal codes; the first is 63366. They are all listed above with their areas.
Why does O Fallon have more than one postal code?
Larger towns and cities are split into several postal-code areas, each serving a different neighbourhood, PO-box range or large organisation.