ZIP CodesZIP codes in Washington County, Texas
Washington County, Texas has 5 ZIP codes in this list, from 77426 to 77880. They cover 4 places, among them Brenham, Chappell Hill, Burton and Washington.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 77426 | Chappell Hill | 90.2 | 30.183, -96.235 |
| 77833 | Brenham | 313 | 30.177, -96.403 |
| 77834 | Brenham | no area | 30.167, -96.398 |
| 77835 | Burton | 111 | 30.177, -96.593 |
| 77880 | Washington | 96.9 | 30.318, -96.225 |
The ZIP code areas of Washington County add up to about 611 square miles of land (1,582 sq km) as the Census Bureau draws them. The largest is 77833 (Brenham), with 313 square miles.
Places with more than one code here: Brenham (2 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Chappell Hill, TX 77426.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.