ZIP Code 78203: San Antonio, TX
County: Bexar
Coordinates: 29.41480, -98.46010
ZIP Type: Standard
Time Zone: Central Time (CT)
This profile provides an in-depth look at ZIP code 78203, serving San Antonio in TX. It lies in Bexar and supports delivery, planning, and address verification.
| Primary City | San Antonio |
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| ZIP Code | 78203 |
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| County | Bexar |
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| State | TX |
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| Latitude / Longitude | 29.41480, -98.46010 |
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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 78203 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 78203 is approximately 29.41480 (latitude) and -98.46010 (longitude). This location sits within Bexar, contributing to regional planning across TX.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78203 for mail delivery and general location reference in
Bexar,
TX.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with San Antonio.
Related ZIP Codes (Nearby)
Explore other postal codes near San Antonio within TX.
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Frequently Asked Questions
What is the primary city for ZIP code 78203?
The primary city for this ZIP code is San Antonio, located in TX.
In which county is 78203 located?
ZIP code 78203 is situated within Bexar, TX.
What are the coordinates for 78203?
The approximate center point is 29.41480 (Latitude) and -98.46010 (Longitude).
Is ZIP code 78203 active?
This page lists ZIP 78203 as Listed based on the latest refresh date shown above.
Does ZIP 78203 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