PinCode: 700043, Sonai (Kolkata) Post Office, Kolkata, Kolkata, West Bengal
| Post Office | Sonai (Kolkata) |
| Post Office Status | Sub Post Office (Non Delivery) |
| PinCode | 700043
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| Telephone | 033-28690628 |
| Town/Taluk | Kolkata |
| District | Kolkata |
| State | West Bengal |
| Postal Division | Calcutta South |
| Postal Region | Calcutta |
| Postal Circle | West Bengal |
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