Mohanbari is Taluka (Tehsil) in Dibrugarh district of Assam state. Mohanbari has 3 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 786012 | Harabari PIN Code | Dibrugarh | Mohanbari | Branch Office |
| 786012 | Mohanbari Air Field PIN Code | Dibrugarh | Mohanbari | Sub Office |
| 786012 | Naga Ghuli Kanaigaon PIN Code | Dibrugarh | Mohanbari | Branch Office |