| Place | Postal Code |
|---|---|
| Barfok, Mangan | 737116 |
| Chawang, Mangan | 737116 |
| Gnon-Samdong, Mangan | 737116 |
| Gor, Mangan | 737107 |
| Hee-Gyathang, Mangan | 737116 |
| Kabi, Mangan | 737117, 737116 |
| Kabi Forest Block, Mangan | 737117 |
| Kazor, Mangan | 737116 |
| L. Mangshila, Mangan | 737116 |
| Labi, Mangan | 737116 |
| Lingdem, Mangan | 737116 |
| Lingdong, Mangan | 737116 |
| Lingthem, Mangan | 737116 |
| Lingzah-Tolung, Mangan | 737116 |
| Lum, Mangan | 737107 |
| Mangan, Mangan | 737107, 737116 |
| Mangan Forest Block, Mangan | 737116 |
| Men Rong Rong, Mangan | 737116 |
| Meyong, Mangan | 737116 |
| Naga Forest Block, Mangan | 737120 |
| Naga-Namgor, Mangan | 737120 |
| Namok, Mangan | 737116 |
| Nampatam, Mangan | 737116 |
| Pakshep, Mangan | 737116 |
| Paney-Phensong, Mangan | 737118 |
| Phamtam, Mangan | 737116 |
| Postal Codes in North Sikkim | |
|---|---|
| Chungthang, North Sikkim | |
| Mangan, North Sikkim | |