ZIP Code 78243: San Antonio, TX
County: Bexar
Coordinates: 29.43750, -98.46160
ZIP Type: Standard
Time Zone: Central Time (CT)
This profile provides an in-depth look at ZIP code 78243, 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 | 78243 |
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| County | Bexar |
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| State | TX |
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| Latitude / Longitude | 29.43750, -98.46160 |
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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 78243 (not an exact boundary).
Geographic & Administrative Context
For mapping and verification, 78243 is commonly represented around 29.43750, -98.46160. These coordinates help identify the general area within Bexar, TX.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78243 for mail delivery and general location reference in
Bexar,
TX.
This ZIP may extend beyond the city core into nearby communities within Bexar.
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 78243?
The primary city for this ZIP code is San Antonio, located in TX.
In which county is 78243 located?
ZIP code 78243 is situated within Bexar, TX.
What are the coordinates for 78243?
The approximate center point is 29.43750 (Latitude) and -98.46160 (Longitude).
Is ZIP code 78243 active?
This page lists ZIP 78243 as Listed based on the latest refresh date shown above.
Does ZIP 78243 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