ZIP Code 63368: O Fallon, MO
County: Saint Charles County
Coordinates: 38.75130, -90.72960
ZIP Type: Standard
Time Zone: Central Time (CT)
Get a reliable snapshot of the O Fallon, MO postal area 63368. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | O Fallon |
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| ZIP Code | 63368 |
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| County | Saint Charles County |
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| State | MO |
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| Latitude / Longitude | 38.75130, -90.72960 |
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| ZIP Type | Standard |
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| Time Zone | Central Time (CT) |
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| Data Updated | 2026-01-08 |
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These links show the approximate center point for ZIP 63368 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 63368 is approximately 38.75130 (latitude) and -90.72960 (longitude). This location sits within Saint Charles County, contributing to regional planning across MO.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 63368 for mail delivery and general location reference in
Saint Charles County,
MO.
Some addresses near O Fallon may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near O Fallon within MO.
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Frequently Asked Questions
What is the primary city for ZIP code 63368?
The primary city for this ZIP code is O Fallon, located in MO.
In which county is 63368 located?
ZIP code 63368 is situated within Saint Charles County, MO.
What are the coordinates for 63368?
The approximate center point is 38.75130 (Latitude) and -90.72960 (Longitude).
Is ZIP code 63368 active?
This page lists ZIP 63368 as Listed based on the latest refresh date shown above.
Does ZIP 63368 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
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Methodology & Data Notes
How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.
Page updated: 2026-01-08