About ZIP code 78551
The ZIP code 78551 routes mail to Harlingen 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
78551 - Harlingen
ZIP code 78551 is Harlingen in Texas, United States.
| ZIP code | 78551 |
| Place | Harlingen |
| Region | Texas |
| District | Cameron |
| Country | United States (US) |
| Coordinates | 26.2447, -97.7206 (map) |