| Localité | Code postal |
|---|---|
| Buenos Aires Alto, Villanueva | 855039 |
| Buenos Aires Bajo, Villanueva | 855039 |
| Caiman Bajo, Villanueva | 855038 |
| Caracoli, Villanueva | 855030 |
| El Triunfo, Villanueva | 855037 |
| El Viso, Villanueva | 855039 |
| Flor Amarillo, Villanueva | 855038 |
| La Camanga Leche Miel, Villanueva | 855038 |
| La Colmena, Villanueva | 855030 |
| La Comarca, Villanueva | 855037 |
| La Libertad, Villanueva | 855030 |
| Mararabe, Villanueva | 855039 |
| Pavitos, Villanueva | 855037 |
| Puerto Mirian, Villanueva | 855039 |
| Vegas del Upia, Villanueva | 855039 |
| Villanueva, Villanueva | 855030, 855037 |
| Codes postaux en Casanare | |
|---|---|
| Yopal | Villanueva |
| Támara | Trinidad |
| Tauramena | Sácama |
| San Luis de Palenque | Sabanalarga |
| Recetor | Pore |
| Paz de Ariporo | Orocué |
| Nunchía | Monterrey |
| Maní | La Salina |
| Hato Corozal | Chámeza |
| Aguazul | |