PIN code 700001 – Kolkata, West Bengal
700001 is the PIN code of 13 post offices in Kolkata district, West Bengal, served by the Council House Street SO sub office.
| Post office | Type | Delivery | Division |
|---|---|---|---|
| Council House Street SOMap | Post office | No | Kolkata Central Division |
| Customs House SOMap | Post office | No | Kolkata Central Division |
| Khengrapatti SOMap | Post office | No | Kolkata Central Division |
| Lalbazar SOMap | Post office | No | Kolkata Central Division |
| New Secretariat Building SOMap | Post office | No | Kolkata Central Division |
| R N Mukherjee Road SOMap | Post office | No | Kolkata Central Division |
| Radhabazar SOMap | Post office | No | Kolkata Central Division |
| Reserve Bank Building SOMap | Post office | No | Kolkata Central Division |
| Telephone Bhawan SOMap | Post office | No | Kolkata Central Division |
| Treasury Building SOMap | Post office | No | Kolkata Central Division |
| West Bengal Assembly POMap | Post office | No | Kolkata Central Division |
| Writers Building SOMap | Post office | No | Kolkata Central Division |
| KOLKATA GPOMap | Head office | Yes | Kolkata GPO Division |
Source: India Post PIN code directory (Open Government Data). Branch offices usually get mail through their sub or head office.