PinCode: 700027, Natioinal Library Post Office, Kolkata, Kolkata, West Bengal
| Post Office | Natioinal Library |
| Post Office Status | Sub Post Office (Non Delivery) |
| PinCode | 700027
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| Telephone | 033-24794539 |
| Town/Taluk | Kolkata |
| District | Kolkata |
| State | West Bengal |
| Postal Division | Calcutta South |
| Postal Region | Calcutta |
| Postal Circle | West Bengal |
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