In which county is ZIP code 78009 located?

ZIP 78009 is listed under Medina, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 78009: Castroville, TX

ZIP: 78009

County: Medina

Coordinates: 29.35530, -98.88240

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 78009 in Castroville, TX. We include verified county details for Medina plus key geographic references used for mapping and logistics.

Primary City	Castroville
ZIP Code	78009
County	Medina
State	TX
Latitude / Longitude	29.35530, -98.88240
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 78009 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 78009 is commonly represented around 29.35530, -98.88240. These coordinates help identify the general area within Medina, TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78009 for mail delivery and general location reference in Medina, TX.

Some addresses near Castroville may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Castroville within TX.

Frequently Asked Questions

What is the primary city for ZIP code 78009?

The primary city for this ZIP code is Castroville, located in TX.

In which county is 78009 located?

ZIP code 78009 is situated within Medina, TX.

What are the coordinates for 78009?

The approximate center point is 29.35530 (Latitude) and -98.88240 (Longitude).

Is ZIP code 78009 active?

This page lists ZIP 78009 as Listed based on the latest refresh date shown above.

Does ZIP 78009 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

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