| Post office | Sonai S.O (Kolkata) |
| Pin code | 700043 |
| Office type | S.O |
| Taluk / city | Kolkata |
| District name | Kolkata |
| State name | West Bengal |
| Delivery status | Non-Delivery |
| Division name | Calcutta South |
| Region name | Calcutta |
| Circle name | West Bengal |
| Related sub office | NA |
| Related head office | Alipore H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 700043 | Sonai S.O (Kolkata) | Kolkata | Kolkata | West Bengal |
| 700043 | South Eastern Railway S.O | Kolkata | Kolkata | West Bengal |