In which county is ZIP code 77221 located?

ZIP 77221 is listed under Harris, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 77221: Houston, TX

ZIP: 77221

County: Harris

Coordinates: 29.83400, -95.43420

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Houston, TX postal area 77221. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Houston
ZIP Code	77221
County	Harris
State	TX
Latitude / Longitude	29.83400, -95.43420
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 77221 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 77221 is commonly represented around 29.83400, -95.43420. These coordinates help identify the general area within Harris, TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 77221 for mail delivery and general location reference in Harris, TX.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Houston.

Related ZIP Codes (Nearby)

Explore other postal codes near Houston within TX.

Frequently Asked Questions

What is the primary city for ZIP code 77221?

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

In which county is 77221 located?

ZIP code 77221 is situated within Harris, TX.

What are the coordinates for 77221?

The approximate center point is 29.83400 (Latitude) and -95.43420 (Longitude).

Is ZIP code 77221 active?

This page lists ZIP 77221 as Listed based on the latest refresh date shown above.

Does ZIP 77221 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