| Place | Postal Code |
|---|---|
| Agutayan, Hilongos | 6524 |
| Atabay, Hilongos | 6524 |
| Baas, Hilongos | 6524 |
| Bagong Lipunan, Hilongos | 6524 |
| Bagumbayan, Hilongos | 6524 |
| Baliw, Hilongos | 6524 |
| Bantigue, Hilongos | 6524 |
| Bon-Ot, Hilongos | 6524 |
| Bung-Aw, Hilongos | 6524 |
| Cacao, Hilongos | 6524 |
| Campina, Hilongos | 6524 |
| Catandog 1, Hilongos | 6524 |
| Catandog 2, Hilongos | 6524 |
| Central Barangay, Hilongos | 6524 |
| Concepcion, Hilongos | 6524 |
| Eastern Barangay, Hilongos | 6524 |
| Hampangan, Hilongos | 6524 |
| Himo-Aw, Hilongos | 6524 |
| Hitudpan, Hilongos | 6524 |
| Imelda Marcos, Hilongos | 6524 |
| Kang-Iras, Hilongos | 6524 |
| Kangha-As, Hilongos | 6524 |
| Lamak, Hilongos | 6524 |
| Libertad, Hilongos | 6524 |
| Liberty, Hilongos | 6524 |
| Lunang, Hilongos | 6524 |