| Place | Postal Code |
|---|---|
| Aripan, X Koto Singkarak | 27356 |
| Kacang, X Koto Singkarak | 27356 |
| Koto Sani, X Koto Singkarak | 27356 |
| Saning Baka, X Koto Singkarak | 27356 |
| Singkarak, X Koto Singkarak | 27356 |
| Sumani, X Koto Singkarak | 27356 |
| Tanjung Alai, X Koto Singkarak | 27356 |
| Tikalak, X Koto Singkarak | 27356 |