San Carlos zip code
| Zip code | Settlement | Type | City | Zone |
|---|---|---|---|---|
| 87740 | La Gavia | Ejido | - | Rural |
| 87747 | La Nueva Unión | Ejido | - | Rural |
| 87739 | La Unión Morales | Ejido | - | Rural |
| 87747 | Los Angelitos (Ángeles) | Ejido | - | Rural |
| 87750 | Los Quiotes | Ejido | - | Rural |
| Zip code | Settlement | Type | City | Zone |
|---|---|---|---|---|
| 87740 | La Gavia | Ejido | - | Rural |
| 87747 | La Nueva Unión | Ejido | - | Rural |
| 87739 | La Unión Morales | Ejido | - | Rural |
| 87747 | Los Angelitos (Ángeles) | Ejido | - | Rural |
| 87750 | Los Quiotes | Ejido | - | Rural |