ZIP Code 63109: Saint Louis, MO
County: St. Louis (city)
Coordinates: 38.58550, -90.29290
ZIP Type: Standard
Time Zone: Central Time (CT)
Get a reliable snapshot of the Saint Louis, MO postal area 63109. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | Saint Louis |
| ZIP Code | 63109 |
| County | St. Louis (city) |
| State | MO |
| Latitude / Longitude | 38.58550, -90.29290 |
| ZIP Type | Standard |
| Time Zone | Central Time (CT) |
| 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 63109 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 63109 is approximately 38.58550 (latitude) and -90.29290 (longitude). This location sits within St. Louis (city), contributing to regional planning across MO.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 63109 for mail delivery and general location reference in
St. Louis (city),
MO.
Some addresses near Saint Louis may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near Saint Louis within MO.
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Frequently Asked Questions
What is the primary city for ZIP code 63109?
The primary city for this ZIP code is Saint Louis, located in MO.
In which county is 63109 located?
ZIP code 63109 is situated within St. Louis (city), MO.
What are the coordinates for 63109?
The approximate center point is 38.58550 (Latitude) and -90.29290 (Longitude).
Is ZIP code 63109 active?
This page lists ZIP 63109 as Listed based on the latest refresh date shown above.
Does ZIP 63109 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