| Place | Postal Code |
|---|---|
| Bouakkop, Samgnaeknongpet | 09000 |
| Hai Hin, Samgnaeknongpet | 09000 |
| Keo, Samgnaeknongpet | 09000 |
| Khai, Samgnaeknongpet | 09000 |
| Khangdone, Samgnaeknongpet | 09000 |
| Lattheun, Samgnaeknongpet | 09000 |
| Mieng, Samgnaeknongpet | 09000 |
| Muan, Samgnaeknongpet | 09000 |
| Namkkha, Samgnaeknongpet | 09000 |
| Namkok, Samgnaeknongpet | 09000 |
| Nasala, Samgnaeknongpet | 09000 |
| Or-Aan, Samgnaeknongpet | 09000 |
| Pakhom, Samgnaeknongpet | 09000 |
| Phakeo, Samgnaeknongpet | 09000 |
| Ta, Samgnaeknongpet | 09000 |
| Thalok, Samgnaeknongpet | 09000 |
| Viengxay, Samgnaeknongpet | 09000 |
| Xuan, Samgnaeknongpet | 09000 |
| Yortnguem, Samgnaeknongpet | 09000 |
| Yuanthong, Samgnaeknongpet | 09000 |