| Western Samar | |
| Area | Zip |
| Almagro | 6724 |
| Basey | 6720 |
| Calbayog City | 6710 |
| Calbiga | 6715 |
| Catbalogan | 6700 |
| Daram | 6722 |
| Gandara | 6706 |
| Hinbangan | 6713 |
| Jiabong | 6701 |
| Marabut | 6721 |
| Matuguinao | 6708 |
| Motiong | 6702 |
| Pagsangjan | 6705 |
| Pinabacdao | 6716 |
| San Jorge | 6707 |
| San Jose de Bauan | 6723 |
| San Sebastian | 6714 |
| Santa Margarita | 6709 |
| Santa Rita | 6718 |
| Santo Niņo | 6711 |
| Tagapulan | 6712 |
| Talarora | 6719 |
| Tarangnan | 6704 |
| Villareal | 6717 |
| Wright | 6703 |
| Zumarraga | 6725 |
| back to Provinces | |