| Office Name | Reserve Bank Building S.O |
| Pincodes | 700001 |
| Area | Reserve Bank Building |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Kolkata Central |
| Postal Region | Calcutta |
| District | Kolkata |
| State | West Bengal |
| Telephone No. | 033-22300474 |