La Union ZIP Codes range from 2500 to 2515. This province is known for its beautiful beaches and surfing spots.
La Union ZIP Codes
| Location | ZIP Code | |
| Agoo | 2504 | |
| Aringay | 2503 | |
| Bacnotan | 2515 | |
| Bagulin | 2512 | |
| Balaoan | 2517 | |
| Bangar | 2519 | |
| Bauang | 2501 | |
| Burgos | 2510 | |
| Caba | 2502 | |
| Damortis | 2507 | |
| Luna | 2518 | |
| Naguillan | 2511 | |
| Pugo | 2508 | |
| Rosario | 2506 | |
| San Fernando | 2500 | |
| San Gabriel | 2513 | |
| San Juan | 2514 | |
| Santol | 2516 | |
| Santo Tomas | 2505 | |
| Sudepen | 2520 | |
| Tubao | 2509 | |