| Office Name | Radhu Khandu B.O |
| Pincodes | 737113 |
| Area | Radhu Khandu |
| 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 | 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 | Ralang B.O |
| Pincodes | 737139 |
| Area | Ralang |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | South 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 | Ramthang B.O |
| Pincodes | 737116 |
| Area | Ramthang |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | North 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 | Rangrang B.O |
| Pincodes | 737116 |
| Area | Rangrang |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | North Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Rangship B.O |
| Pincodes | 737111 |
| Area | Rangship |
| 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 | 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 | Rateypani B.O |
| Pincodes | 737128 |
| Area | Rateypani |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | South 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 | Ravangla S.O |
| Pincodes | 737139 |
| Area | Ravangla |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | South 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 | Reshi B.O |
| Pincodes | 737121 |
| Area | Reshi |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | South 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 | Ribdi-Bhareng B.O |
| Pincodes | 737121 |
| Area | Ribdi-Bhareng |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | South Sikkim |
| State | Sikkim |
| Telephone No. | Na |
| Office Name | Rimbi B.O |
| Pincodes | 737113 |
| Area | Rimbi |
| 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 | Rinchenpong B.O |
| Pincodes | 737111 |
| Area | Rinchenpong |
| 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 |