ZIP CodesZIP codes in Callahan County, Texas
Callahan County, Texas has 4 ZIP codes in this list, from 76443 to 79510. They cover 4 places, among them Cross Plains, Putnam, Baird and Clyde.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 76443 | Cross Plains | 140 | 32.148, -99.187 |
| 76469 | Putnam | 28.0 | 32.374, -99.196 |
| 79504 | Baird | 377 | 32.392, -99.378 |
| 79510 | Clyde | 255 | 32.380, -99.518 |
The ZIP code areas of Callahan County add up to about 800 square miles of land (2,072 sq km) as the Census Bureau draws them. The largest is 79504 (Baird), with 377 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Cross Plains, TX 76443.
- 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.