| Place | Post Code |
|---|---|
| 3 K.M. Pwd Camp, East) | 792121 |
| 8 K.M. Tea Garden, East) | 792121 |
| Chamro, East) | 792121 |
| Hetlong, East) | 792121 |
| Khamdu, East) | 792121 |
| Khamkai, East) | 792123 |
| Longchong-I, East) | 792123 |
| Longchong - II, East) | 792123 |
| Longman, East) | 792121 |
| Longvi, East) | 792121 |
| Lungpang, East) | 792123 |
| Machum - I, East) | 792123 |
| Namchik Pwd Camp, East) | 792122 |
| Nampong, East) | 792123 |
| Nampong H.Q. Bl.-II, East) | 792123 |
| Nongkey, East) | 792123 |
| Tengmo, East) | 792121 |
| Tikhak Taipi, East) | 792121 |
| Wintong, East) | 792123 |
| Yangkang, East) | 792120 |
| Postal Codes in Changlang | |
|---|---|
| Bordumsa | |
| Changlang | |
| Diyun | |
| Jairampur | |
| Kharsang | |
| Khimiyong | |
| Lyngok-Longtoi | |
| Manmao | |
| Miao | |
| Nampong | |
| Namtok | |
| Renuk | |
| Tikhak Rima Putok | |
| Vijoynagar | |
| Yatdam | |