In which county is ZIP code 77428 located?

ZIP 77428 is listed under Matagorda, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 77428: Collegeport, TX

ZIP: 77428

County: Matagorda

Coordinates: 28.72530, -96.17500

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Collegeport, TX postal area 77428. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Collegeport
ZIP Code	77428
County	Matagorda
State	TX
Latitude / Longitude	28.72530, -96.17500
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 77428 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 77428 are listed as 28.72530 / -96.17500, useful for GPS and service checks in and around Collegeport, TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 77428 for mail delivery and general location reference in Matagorda, TX.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Collegeport within TX.

Frequently Asked Questions

What is the primary city for ZIP code 77428?

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

In which county is 77428 located?

ZIP code 77428 is situated within Matagorda, TX.

What are the coordinates for 77428?

The approximate center point is 28.72530 (Latitude) and -96.17500 (Longitude).

Is ZIP code 77428 active?

This page lists ZIP 77428 as Listed based on the latest refresh date shown above.

Does ZIP 77428 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