| Place |
Post Code |
| Agpay, Burgos |
2510 |
| Bilis, Burgos |
2510 |
| Caoayan, Burgos |
2510 |
| Dalacdac, Burgos |
2510 |
| Delles, Burgos |
2510 |
| Imelda, Burgos |
2510 |
| Libtong, Burgos |
2510 |
| Linuan, Burgos |
2510 |
| Lower Tumapoc, Burgos |
2510 |
| New Poblacion, Burgos |
2510 |
| Old Poblacion, Burgos |
2510 |
| Upper Tumapoc, Burgos |
2510 |
| 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 |