| Post Office | SONKI |
| Post Office Type | BRANCH OFFICE |
| District | DARBHANGA |
| State | BIHAR |
| PIN Code | 846009 |
| Contact Address | Postmaster, Post Office SONKI (BRANCH OFFICE), DARBHANGA, BIHAR (BR), India (IN), Pin Code: 846009 |
| Delivery Status | ✔ DELIVERY |
| Postal Taluk | SONKI |
| Postal Division | Darbhanga Division |
| Postal Region | Muzaffarpur Region |
| Postal Circle | BIHAR |
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