Sivasagar is Taluka (Tehsil) in Sibsagar district of Assam state. Sivasagar has 4 areas (postal offices). Sivasagar has a Head Office and the PIN Code of Sivasagar is 785640.
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 785682 | Bhitarual PIN Code | Sibsagar | Sivasagar | Branch Office |
| 785680 | Borahibari PIN Code | Sibsagar | Sivasagar | Branch Office |
| 785672 | Rajmai PIN Code | Sibsagar | Sivasagar | Sub Office |
| 785640 | Sivasagar PIN Code | Sibsagar | Sivasagar | Head Office |