| Place | Postal Code |
|---|---|
| Houaykheua, Namthouam | 06000 |
| Houayver, Namthouam | 06000 |
| Moklak, Namthouam | 06000 |
| Moklatang, Namthouam | 06000 |
| Namkha, Namthouam | 06000 |
| Namthoaum, Namthouam | 06000 |
| Nong Tai, Namthouam | 06000 |
| Oudom, Namthouam | 06000 |
| Phaluang, Namthouam | 06000 |
| Phanoy, Namthouam | 06000 |
| Phen, Namthouam | 06000 |
| Phonmani, Namthouam | 06000 |
| Phonngam, Namthouam | 06000 |
| Phonsathanh, Namthouam | 06000 |
| Phonsavang, Namthouam | 06000 |
| Phonxay, Namthouam | 06000 |
| Phonxieng, Namthouam | 06000 |
| Puangvaxa, Namthouam | 06000 |
| Thagnou, Namthouam | 06000 |
| Xang, Namthouam | 06000 |
| Xiengda, Namthouam | 06000 |