Port Isabel, TX
ZIP Codes in Port Isabel, Texas
December 30, 2025
| ZIP Code | Population | Coordinates |
|---|---|---|
| 78578 | 10,540 | 26.0440, -97.3066 |
Port Isabel has 1 ZIP code
ZIP Codes in Port Isabel, Texas
December 30, 2025
| ZIP Code | Population | Coordinates |
|---|---|---|
| 78578 | 10,540 | 26.0440, -97.3066 |