Fronteras zip code
| Zip code | Settlement | Type | City | Zone |
|---|---|---|---|---|
| 84328 | Proaños (Los Morales) | Ranchería | - | Rural |
| 84327 | Puente de Fierro | Ranchería | - | Rural |
| 84327 | Puente Grande (El Puente) | Ranchería | - | Rural |
| Zip code | Settlement | Type | City | Zone |
|---|---|---|---|---|
| 84328 | Proaños (Los Morales) | Ranchería | - | Rural |
| 84327 | Puente de Fierro | Ranchería | - | Rural |
| 84327 | Puente Grande (El Puente) | Ranchería | - | Rural |