| Place | Post Code |
|---|---|
| Done Sa Vang, Nongping | 12000 |
| Fang Deng, Nongping | 12000 |
| Hat, Nongping | 12000 |
| Keng Ark, Nongping | 12000 |
| Keng Lek, Nongping | 12000 |
| Kor Bang, Nongping | 12000 |
| Lao, Nongping | 12000 |
| Lat Khouang, Nongping | 12000 |
| Mi Xai, Nongping | 12000 |
| Na Bone, Nongping | 12000 |
| Na Dang, Nongping | 12000 |
| Na Fai Tai, Nongping | 12000 |
| Na Heuang, Nongping | 12000 |
| Na Khi Lek, Nongping | 12000 |
| Na Pho, Nongping | 12000 |
| Na Theut, Nongping | 12000 |
| Nong Ant, Nongping | 12000 |
| Nong Ka Ching, Nongping | 12000 |
| Nong Ping Neua, Nongping | 12000 |
| Nong Ping Tai, Nongping | 12000 |
| Pha Noi, Nongping | 12000 |
| Phon Bok, Nongping | 12000 |
| Phon Kham, Nongping | 12000 |
| Phon Sa Art, Nongping | 12000 |
| Phon Sa Vanh, Nongping | 12000 |
| Phosi Thong, Nongping | 12000 |
| All postal codes in Nhommalath | |
|---|---|
| Hai, Nhommalath | |
| Nabo - Xiangdao, Nhommalath | |
| Naxok, Nhommalath | |
| Nongping, Nhommalath | |
| Phit, Nhommalath | |
| Vienglouang, Nhommalath | |