| Locality | Postal Code |
|---|---|
| Unete, Aguazul | 856017 |
| Upanema, Aguazul | 856019 |
| Volcan Bl, Aguazul | 856017 |
| Postal Codes in 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 | |