Pincode 700001 · Kolkata District · West Bengal
| Name | KOLKATA GPO |
| Type | Head Post Office |
| Pincode | 700001 |
| Taluk | Kolkata GPO Division |
| District | |
| State | |
| Coordinates | 22.5736, 88.3483 |
| Post Office | Type |
|---|---|
| Post Office | |
| Post Office | |
| Post Office |
Kolkata, West Bengal. Map data: OpenStreetMap, CARTO.
| Lalbazar SO | Post Office |
| New Secretariat Building SO | Post Office |
| Radhabazar SO | Post Office |
| Reserve Bank Building SO | Post Office |
| R N Mukherjee Road SO | Post Office |
| Telephone Bhawan SO | Post Office |
| Treasury Building SO | Post Office |
| West Bengal Assembly PO | Post Office |
| Writers Building SO | Post Office |