| Post office | Kupup B.O |
| Pin code | 737102 |
| Office type | B.O |
| Taluk / city | Namchi |
| District name | South Sikkim |
| State name | Sikkim |
| Delivery status | Delivery |
| Division name | Sikkim |
| Region name | North Bengal And Sikkim |
| Circle name | West Bengal |
| Related sub office | Tadong S.O |
| Related head office | Gangtok H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 737102 | SMU(Sikkim Manipal University) | East District | East Sikkim | Sikkim |
| 737102 | Deorali S.O | Gangtok | East Sikkim | Sikkim |
| 737102 | Dhajey B.O | Gangtok | East Sikkim | Sikkim |
| 737102 | Gnathang B.O | Gangtok | East Sikkim | Sikkim |
| 737102 | Kyanglasha B.O | Gangtok | East Sikkim | Sikkim |
| 737102 | Lingdum B.O | Gangtok | East Sikkim | Sikkim |
| 737102 | Pabyiok B.O | Gangtok | East Sikkim | Sikkim |
| 737102 | Samdur B.O | Gangtok | East Sikkim | Sikkim |
| 737102 | Sherathang B.O | Gangtok | East Sikkim | Sikkim |
| 737102 | Tadong S.O | Gangtok | East Sikkim | Sikkim |
| 737102 | Kupup B.O | Namchi | South Sikkim | Sikkim |