The Pin Code of Lachen is 737120. Get more details along with the Pin Code of Lachen. Lachen is located in North Sikkim district in Sikkim. 737120 is the pincode (Postal code) of Lachen.
| Location | Pincode | State | District |
| Lachen | 737120 | Sikkim | North Sikkim |
| Location | Pincode | State | District |
| Chungthang | 737120 | Sikkim | North Sikkim |
| Lachung | 737120 | Sikkim | North Sikkim |
| Naga | 737120 | Sikkim | North Sikkim |
| Shipgyare | 737120 | Sikkim | North Sikkim |