Post Offices List in Harlingen City, Texas:
| Harlingen Post Office | 1502 New Combes Hwy, Harlingen, TX 78550 |
| Downtown Harlingen Post Office | 221 E Van Buren Ave Ste 3, Harlingen, TX 78550 |
| Harlingen Post Office | 1502 New Combes Hwy, Harlingen, TX 78550 |
| Downtown Harlingen Post Office | 221 E Van Buren Ave Ste 3, Harlingen, TX 78550 |