In which county is ZIP code 77491 located?

ZIP 77491 is listed under Harris, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 77491: Katy, TX

ZIP: 77491

County: Harris

Coordinates: 29.78580, -95.82440

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 77491, serving Katy in TX. It lies in Harris and supports delivery, planning, and address verification.

Primary City	Katy
ZIP Code	77491
County	Harris
State	TX
Latitude / Longitude	29.78580, -95.82440
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 77491 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 77491 is approximately 29.78580 (latitude) and -95.82440 (longitude). This location sits within Harris, contributing to regional planning across TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 77491 for mail delivery and general location reference in Harris, TX.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Katy within TX.

Frequently Asked Questions

What is the primary city for ZIP code 77491?

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

In which county is 77491 located?

ZIP code 77491 is situated within Harris, TX.

What are the coordinates for 77491?

The approximate center point is 29.78580 (Latitude) and -95.82440 (Longitude).

Is ZIP code 77491 active?

This page lists ZIP 77491 as Listed based on the latest refresh date shown above.

Does ZIP 77491 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