Santo Domingo zip code
| Zip code | Settlement | Type | City | Zone |
|---|---|---|---|---|
| 78638 | Rancho Cinco Hermanos (La Tapona) | Ranchería | - | Rural |
| 78646 | Rancho San Antonio | Ranchería | - | Rural |
| 78634 | Rancho San José (Los Cuatillos) | Ranchería | - | Rural |
| 78634 | Rita Frías Gutiérrez | Ranchería | - | Rural |
| 78637 | Rodrigo Becerra | Ranchería | - | Rural |
