| Place |
Post Code |
| Alibangsay, Bagulin |
2512 |
| Baay, Bagulin |
2512 |
| Cambaly, Bagulin |
2512 |
| Cardiz, Bagulin |
2512 |
| Dagup, Bagulin |
2512 |
| Libbo, Bagulin |
2512 |
| Suyo, Bagulin |
2512 |
| Tagudtud, Bagulin |
2512 |
| Tio-Angan, Bagulin |
2512 |
| Wallayan, Bagulin |
2512 |
| All postal codes in La Union |
| Agoo, La Union |
| Aringay, La Union |
| Bacnotan, La Union |
| Bagulin, La Union |
| Balaoan, La Union |
| Bangar, La Union |
| Bauang, La Union |
| Burgos, La Union |
| Caba, La Union |
| Luna, La Union |
| Naguilian, La Union |
| Pugo, La Union |
| Rosario, La Union |
| San Fernando, La Union |
| San Gabriel, La Union |
| San Juan, La Union |
| Santo Tomas, La Union |
| Santol, La Union |
| Sudipen, La Union |
| Tubao, La Union |