| Office Name | Rajbhawan S.O East Sikkim |
| Pincodes | 737103 |
| Area | Rajbhawan East Sikkim |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Rakdong B.O |
| Pincodes | 737107 |
| Area | Rakdong |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Raley Khesey B.O |
| Pincodes | 737107 |
| Area | Raley Khesey |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Rangli Bazar S.O |
| Pincodes | 737131 |
| Area | Rangli Bazar |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Rangpo S.O |
| Pincodes | 737132 |
| Area | Rangpo |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Ranipool S.O |
| Pincodes | 737135 |
| Area | Ranipool |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Rautey-Rumtek B.O |
| Pincodes | 737135 |
| Area | Rautey-Rumtek |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Ray-Mindu B.O |
| Pincodes | 737135 |
| Area | Ray-Mindu |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Rhenock S.O |
| Pincodes | 737133 |
| Area | Rhenock |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Rolep B.O |
| Pincodes | 737131 |
| Area | Rolep |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Rorathang B.O |
| Pincodes | 737133 |
| Area | Rorathang |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Rumtek B.O |
| Pincodes | 737135 |
| Area | Rumtek |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Sakhu Busty B.O |
| Pincodes | 737134 |
| Area | Sakhu Busty |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Samdong B.O |
| Pincodes | 737107 |
| Area | Samdong |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Samdur B.O |
| Pincodes | 737102 |
| Area | Samdur |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Samlick-Marchak B.O |
| Pincodes | 737135 |
| Area | Samlick-Marchak |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Sangkhola B.O |
| Pincodes | 737134 |
| Area | Sangkhola |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Sherathang B.O |
| Pincodes | 737102 |
| Area | Sherathang |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Shivalaya Mandir Lingsey B.O |
| Pincodes | 737133 |
| Area | Shivalaya Mandir Lingsey |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Sichey Gaon S.O |
| Pincodes | 737101 |
| Area | Sichey Gaon |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | East Sikkim |
| State | Sikkim |
| Telephone No. | Na |