Houston, Texas ZIP Codes
Looking for the zip code of Houston, Texas USA? Below is the complete list of every ZIP code in Houston, Texas — 178 ZIP codes in total, primarily in Harris County. Use our free tools to look up any address, verify it, or find cities by ZIP.
All 178 ZIP Codes in Houston
Every houston zip code, sorted numerically:
About Houston ZIP Codes
The Houston, Texas zip code area covers 178 unique ZIP codes from 77001 to 77299. Whether you are mailing a letter, shipping a package, or filling out a form, using the correct Houston ZIP code ensures fast, accurate delivery by USPS.
Houston sits mainly in Harris County, Texas. ZIP codes here serve downtown districts, residential neighborhoods, business centers, and surrounding communities. If you are unsure which ZIP code belongs to your street address, our ZIP Code by Address tool finds it instantly.
Frequently Asked Questions
How many ZIP codes does Houston have?
Houston has 178 ZIP codes, ranging from 77001 to 77299.
What is the ZIP code of Houston, Texas?
There is no single ZIP code for Houston — the city uses 178 ZIP codes. Enter your street address in our ZIP Code by Address tool to find your exact one.
What county is Houston, Texas in?
Houston is primarily in Harris County, Texas.
How do I find my ZIP+4 code in Houston?
Use our free ZIP+4 Lookup tool — enter your Houston street address to get the full 9-digit code.
Related ZIP Code Tools
Find the ZIP code for any Houston street address.
See which city and county any ZIP code belongs to.
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