| Office Name | Yangthang B.O |
| Pincodes | 737111 |
| Area | Yangthang |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | West Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Yuksom B.O |
| Pincodes | 737113 |
| Area | Yuksom |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | West Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Zoom B.O |
| Pincodes | 737121 |
| Area | Zoom |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | West Sikkim |
| State | Sikkim |
| Telephone No. | Na |