Harlingen zipcode
| City | Harlingen |
| ZIP Code | 78551 |
| Type | PO Box |
| State Code | TX |
| State | Texas |
ZIP code of Harlingen is 78551. This place is located in Texas state in US. To send any postal service to Harlingen, you must use 78551 zipcode.
| City | Harlingen |
| ZIP Code | 78551 |
| Type | PO Box |
| State Code | TX |
| State | Texas |
ZIP code of Harlingen is 78551. This place is located in Texas state in US. To send any postal service to Harlingen, you must use 78551 zipcode.
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