In which county is ZIP code 77331 located?

ZIP 77331 is listed under San Jacinto, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 77331: Coldspring, TX

ZIP: 77331

County: San Jacinto

Coordinates: 30.60270, -95.10860

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Coldspring, TX postal area 77331. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Coldspring
ZIP Code	77331
County	San Jacinto
State	TX
Latitude / Longitude	30.60270, -95.10860
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 77331 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 77331 are listed as 30.60270 / -95.10860, useful for GPS and service checks in and around Coldspring, TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 77331 for mail delivery and general location reference in San Jacinto, TX.

This ZIP may extend beyond the city core into nearby communities within San Jacinto.

Related ZIP Codes (Nearby)

Explore other postal codes near Coldspring within TX.

Frequently Asked Questions

What is the primary city for ZIP code 77331?

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

In which county is 77331 located?

ZIP code 77331 is situated within San Jacinto, TX.

What are the coordinates for 77331?

The approximate center point is 30.60270 (Latitude) and -95.10860 (Longitude).

Is ZIP code 77331 active?

This page lists ZIP 77331 as Listed based on the latest refresh date shown above.

Does ZIP 77331 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