In which county is ZIP code 77377 located?

ZIP 77377 is listed under Harris, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 77377: Tomball, TX

ZIP: 77377

County: Harris

Coordinates: 30.06150, -95.68210

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Tomball, TX postal area 77377. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Tomball
ZIP Code	77377
County	Harris
State	TX
Latitude / Longitude	30.06150, -95.68210
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 77377 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 77377 is approximately 30.06150 (latitude) and -95.68210 (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 77377 for mail delivery and general location reference in Harris, TX.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Tomball within TX.

Frequently Asked Questions

What is the primary city for ZIP code 77377?

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

In which county is 77377 located?

ZIP code 77377 is situated within Harris, TX.

What are the coordinates for 77377?

The approximate center point is 30.06150 (Latitude) and -95.68210 (Longitude).

Is ZIP code 77377 active?

This page lists ZIP 77377 as Listed based on the latest refresh date shown above.

Does ZIP 77377 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