Houston zipcode
| City | Houston |
| ZIP Code | 77230 |
| Type | PO Box |
| State Code | TX |
| State | Texas |
ZIP code of Houston is 77230. This place is located in Texas state in US. To send any postal service to Houston, you must use 77230 zipcode.
You should avoid following 1 city name of Texas to be used with the ZIP code 77230.
- Astrodome, TX