Villa Unión zip code
| Zip code | Settlement | Type | City | Zone |
|---|---|---|---|---|
| 26636 | Rafaela Salomón | Ranchería | - | Rural |
| 26607 | Rancho Grande | Ranchería | - | Rural |
| 26607 | Rancho Verde | Ranchería | - | Rural |
| 26605 | Raúl Cadena | Ranchería | - | Rural |
| 26607 | Ricardo Cárdenas | Ranchería | - | Rural |
| 26604 | Ricardo Vázquez Gallegos | Ranchería | - | Rural |
| 26605 | Río Grande | Ranchería | - | Rural |
| 26606 | Rito Castilleja González | Ranchería | - | Rural |
| 26637 | Roberto Frías | Ranchería | - | Rural |
| 26605 | Rodolfo Castellanos | Ranchería | - | Rural |
| 26604 | Rolando Villanueva | Ranchería | - | Rural |
| 26636 | Roque Martínez | Ranchería | - | Rural |
