ZIP Code 63373: Portage Des Sioux, MO
County: Saint Charles County
Coordinates: 38.92590, -90.38630
ZIP Type: Standard
Time Zone: Central Time (CT)
Get a reliable snapshot of the Portage Des Sioux, MO postal area 63373. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | Portage Des Sioux |
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| ZIP Code | 63373 |
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| County | Saint Charles County |
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| State | MO |
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| Latitude / Longitude | 38.92590, -90.38630 |
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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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Maps & Useful Links
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These links show the approximate center point for ZIP 63373 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 63373 is approximately 38.92590 (latitude) and -90.38630 (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 63373 for mail delivery and general location reference in
Saint Charles County,
MO.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Portage Des Sioux.
Related ZIP Codes (Nearby)
Explore other postal codes near Portage Des Sioux within MO.
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Frequently Asked Questions
What is the primary city for ZIP code 63373?
The primary city for this ZIP code is Portage Des Sioux, located in MO.
In which county is 63373 located?
ZIP code 63373 is situated within Saint Charles County, MO.
What are the coordinates for 63373?
The approximate center point is 38.92590 (Latitude) and -90.38630 (Longitude).
Is ZIP code 63373 active?
This page lists ZIP 63373 as Listed based on the latest refresh date shown above.
Does ZIP 63373 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