Post Office Lachung B.o Pin Code In Chungthang State Sikkim District North Sikkim
| Post Office | Lachung B.o |
| Division | Sikkim |
| Region | North Bengal And Sikkim |
| Circle | West Bengal |
| Taluka | Chungthang |
| District | North Sikkim |
| State | Sikkim |
| Phone | NA |
| Sub Office | Chungthang S.O |
| Head Office | Gangtok H.O |
| Pincode | 737120 |
lachung b.o branch pincode is 737120
lachung b.o branch phone number is NA
lachung b.o branch Head Office is Gangtok H.O