| Post office | Gangtok H.O |
| Pin code | 737101 |
| Office type | H.O |
| Taluk / city | Gangtok |
| District name | East Sikkim |
| State name | Sikkim |
| Delivery status | Delivery |
| Division name | Sikkim |
| Region name | North Bengal And Sikkim |
| Circle name | West Bengal |
| Related sub office | NA |
| Related head office | NA |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 737101 | Gangtok Bazar S.O | Gangtok | East Sikkim | Sikkim |
| 737101 | Gangtok H.O | Gangtok | East Sikkim | Sikkim |
| 737101 | Sichey Gaon S.O | Gangtok | East Sikkim | Sikkim |