| S.No | Post Offices Name | Pincodes | District Name | State |
|---|---|---|---|---|
| 1 |
Chungthang (Sub Office) |
737120 | North | Sikkim |
| 2 |
Lachen (Branch Office) |
737120 | North | Sikkim |
| 3 |
Lachung (Branch Office) |
737120 | North | Sikkim |
| 4 |
Naga (Branch Office) |
737120 | North | Sikkim |
| 5 |
Shipgyare (Branch Office) |
737120 | North | Sikkim |