| Office Name | Council House Street S.O |
| Pincodes | 700001 |
| Area | Council House Street |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Kolkata Central |
| Postal Region | Calcutta |
| District | Kolkata |
| State | West Bengal |
| Telephone No. | 033-22487981 |
| Office Name | Customs House S.O |
| Pincodes | 700001 |
| Area | Customs House |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Kolkata Central |
| Postal Region | Calcutta |
| District | Kolkata |
| State | West Bengal |
| Telephone No. | 033-22305095 |
| Office Name | Khengrapatti S.O |
| Pincodes | 700001 |
| Area | Khengrapatti |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Kolkata Central |
| Postal Region | Calcutta |
| District | Kolkata |
| State | West Bengal |
| Telephone No. | 033-22423236 |
| Office Name | Lalbazar S.O Kolkata |
| Pincodes | 700001 |
| Area | Lalbazar Kolkata |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Kolkata Central |
| Postal Region | Calcutta |
| District | Kolkata |
| State | West Bengal |
| Telephone No. | 033-22144369 |
| Office Name | New Secretariat Bldg. S.O |
| Pincodes | 700001 |
| Area | New Secretariat Bldg. |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Kolkata Central |
| Postal Region | Calcutta |
| District | Kolkata |
| State | West Bengal |
| Telephone No. | 033-22488880 |
| Office Name | Pollock Street S.O |
| Pincodes | 700001 |
| Area | Pollock Street |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Kolkata Central |
| Postal Region | Calcutta |
| District | Kolkata |
| State | West Bengal |
| Telephone No. | 033-22353327 |
| Office Name | R.N. Mukherjee Road S.O |
| Pincodes | 700001 |
| Area | R.N. Mukherjee Road |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Kolkata Central |
| Postal Region | Calcutta |
| District | Kolkata |
| State | West Bengal |
| Telephone No. | 033-22484953 |
| Office Name | Radha Bazar S.O |
| Pincodes | 700001 |
| Area | Radha Bazar |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Kolkata Central |
| Postal Region | Calcutta |
| District | Kolkata |
| State | West Bengal |
| Telephone No. | 033-22424298 |
| 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 |
| Office Name | Telephone Bhawan S.O |
| Pincodes | 700001 |
| Area | Telephone Bhawan |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Kolkata Central |
| Postal Region | Calcutta |
| District | Kolkata |
| State | West Bengal |
| Telephone No. | 033-22108485 |
| Office Name | Treasury Building S.O |
| Pincodes | 700001 |
| Area | Treasury Building |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Kolkata Central |
| Postal Region | Calcutta |
| District | Kolkata |
| State | West Bengal |
| Telephone No. | 033-22483333 |
| Office Name | W.B.Assembly House S.O |
| Pincodes | 700001 |
| Area | W.B.Assembly House |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Kolkata Central |
| Postal Region | Calcutta |
| District | Kolkata |
| State | West Bengal |
| Telephone No. | 033-22480931 |
| Office Name | Writer S Building S.O |
| Pincodes | 700001 |
| Area | Writer S Building |
| Office Status | Sub Post Office |
| Postal Circle | West Bengal |
| Postal Division | Kolkata Central |
| Postal Region | Calcutta |
| District | Kolkata |
| State | West Bengal |
| Telephone No. | 033-22144002 |
| Office Name | Kolkatta G.P.O. |
| Pincodes | 700001 |
| Area | Kolkatta G.P.O. |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Kolkata Gpo |
| Postal Region | Calcutta |
| District | Kolkata |
| State | West Bengal |
| Telephone No. | 033-22105150 |