| Place | Post Code |
|---|---|
| Bellavista, San Carlos | 01120 |
| Cocata, San Carlos | 01120 |
| Comboca, San Carlos | 01120 |
| Conejo, San Carlos | 01120 |
| Curñurco, San Carlos | 01120 |
| Hierba Buena, San Carlos | 01120 |
| Huasurco, San Carlos | 01120 |
| Nueva Colombia, San Carlos | 01120 |
| Palac, San Carlos | 01120 |
| Poyo (Hoyapata), San Carlos | 01120 |
| Quilimito, San Carlos | 01120 |
| Quingoyaco, San Carlos | 01120 |
| San Carlos, San Carlos | 01120 |
| Tacala, San Carlos | 01120 |
| Tambillo, San Carlos | 01120 |