| Place | Postal Code |
|---|---|
| Altos del Socorro, Monte Romo | 51102 |
| Bajo Saltos, Monte Romo | 51102 |
| Cabrera, Monte Romo | 51102 |
| Cuesta Roja, Monte Romo | 51102 |
| Delicias, Monte Romo | 51102 |
| Guapinol, Monte Romo | 51102 |
| Lapas, Monte Romo | 51102 |
| Loros, Monte Romo | 51102 |
| Matina, Monte Romo | 51102 |
| Mercedes, Monte Romo | 51102 |
| Monte Romo, Monte Romo | 51102 |
| Palmares, Monte Romo | 51102 |
| Río Zapotal, Monte Romo | 51102 |
| San Isidro, Monte Romo | 51102 |
| Trinidad, Monte Romo | 51102 |
| Postal Codes in Hojancha | |
|---|---|
| Hojancha, Hojancha | |
| Huacas, Hojancha | |
| Monte Romo, Hojancha | |
| Puerto Carrillo, Hojancha | |