Harlingen zipcode
| City | Harlingen |
| ZIP Code | 78552 |
| Type | Standard |
| State Code | TX |
| State | Texas |
ZIP code of Harlingen is 78552. This place is located in Texas state in US. To send any postal service to Harlingen, you must use 78552 zipcode.
The ZIP code 78552 is also used with 1 more city name of Texas.
- Palm Valley, TX