In which county is ZIP code 77617 located?

ZIP 77617 is listed under Galveston, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 77617: Gilchrist, TX

ZIP: 77617

County: Galveston

Coordinates: 29.52300, -94.47550

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Gilchrist, TX postal area 77617. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Gilchrist
ZIP Code	77617
County	Galveston
State	TX
Latitude / Longitude	29.52300, -94.47550
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 77617 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 77617 is approximately 29.52300 (latitude) and -94.47550 (longitude). This location sits within Galveston, contributing to regional planning across TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 77617 for mail delivery and general location reference in Galveston, TX.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Gilchrist within TX.

Frequently Asked Questions

What is the primary city for ZIP code 77617?

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

In which county is 77617 located?

ZIP code 77617 is situated within Galveston, TX.

What are the coordinates for 77617?

The approximate center point is 29.52300 (Latitude) and -94.47550 (Longitude).

Is ZIP code 77617 active?

This page lists ZIP 77617 as Listed based on the latest refresh date shown above.

Does ZIP 77617 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