Fronteras zip code
| Zip code | Settlement | Type | City | Zone |
|---|---|---|---|---|
| 84326 | San Antonio | Ranchería | - | Rural |
| 84326 | San Antonio Dos | Ranchería | - | Rural |
| 84327 | San Benardino (La Roqueña) | Ranchería | - | Rural |
| 84327 | San Isidro | Ranchería | - | Rural |
| 84326 | San Joaquín | Ranchería | - | Rural |
| 84327 | San Miguelito | Ranchería | - | Rural |
| 84326 | San Rafael | Ranchería | - | Rural |
| 84326 | Santa Rosa | Ranchería | - | Rural |
