ZIP CodesZIP codes in Colorado County, Texas
Colorado County, Texas has 11 ZIP codes in this list, from 77412 to 78962. They cover 11 places, among them Altair, Eagle Lake, Garwood and Nada.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 77412 | Altair | 0.8 | 29.571, -96.454 |
| 77434 | Eagle Lake | 146 | 29.584, -96.335 |
| 77442 | Garwood | 188 | 29.476, -96.492 |
| 77460 | Nada | 0.7 | 29.405, -96.386 |
| 77470 | Rock Island | 28.5 | 29.531, -96.575 |
| 77475 | Sheridan | 29.6 | 29.494, -96.671 |
| 78934 | Columbus | 221 | 29.703, -96.553 |
| 78935 | Alleyton | 63.1 | 29.709, -96.487 |
| 78943 | Glidden | 0.7 | 29.699, -96.594 |
| 78951 | Oakland | 6.5 | 29.602, -96.830 |
| 78962 | Weimar | 172 | 29.679, -96.755 |
The ZIP code areas of Colorado County add up to about 857 square miles of land (2,220 sq km) as the Census Bureau draws them. The largest is 78934 (Columbus), with 221 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Altair, TX 77412.
- 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.