| Post office | Sivasagar H.O |
| Pin code | 785640 |
| Office type | H.O |
| Taluk / city | Sivasagar |
| District name | Sibsagar |
| State name | Assam |
| Delivery status | Delivery |
| Division name | Sibsagar |
| Region name | Dibrugarh |
| Circle name | Assam |
| Related sub office | NA |
| Related head office | NA |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 785640 | Betbari B.O | Sibsagar | Sibsagar | Assam |
| 785640 | Phukannagar S.O | Sibsagar | Sibsagar | Assam |
| 785640 | Rongpurnagar S.O | Sibsagar | Sibsagar | Assam |
| 785640 | Towkok B.O | Sibsagar | Sibsagar | Assam |
| 785640 | Sivasagar H.O | Sivasagar | Sibsagar | Assam |