Post Office South Regu B.o Pin Code In Rangli State Sikkim District East Sikkim
| Post Office | South Regu B.o |
| Division | Sikkim |
| Region | North Bengal And Sikkim |
| Circle | West Bengal |
| Taluka | Rangli |
| District | East Sikkim |
| State | Sikkim |
| Phone | NA |
| Sub Office | Rangli Bazar S.O |
| Head Office | Gangtok H.O |
| Pincode | 737131 |
south regu b.o branch pincode is 737131
south regu b.o branch phone number is NA
south regu b.o branch Head Office is Gangtok H.O