About ZIP code 78578
The ZIP code 78578 routes mail to Port Isabel in the Texas region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
78578 - Port Isabel
ZIP code 78578 is Port Isabel in Texas, United States.
| ZIP code | 78578 |
| Place | Port Isabel |
| Region | Texas |
| District | Cameron |
| Country | United States (US) |
| Coordinates | 26.0539, -97.3125 (map) |