| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Peña Blanca, Peña Blanca | 3357 |
| Postal Codes in Monseñor José Vicente de Unda | |
|---|---|
| Postal/ZIP Codes in Monseñor José Vicente de Unda, Monseñor José Vicente de Unda | |
| Postal/ZIP Codes in Peña Blanca, Monseñor José Vicente de Unda | |