| Post Office | Jonai S.o |
| Division | Dibrugarh |
| Region | Dibrugarh |
| Circle | Assam |
| Taluka | Jonai |
| District | Dhemaji |
| State | Assam |
| Phone | 03758-222244 |
| Sub Office | NA |
| Head Office | North Lakhimpur H.O |
| Pincode | 787060 |
=$city?> jonai s.o branch pincode is 787060
jonai s.o branch phone number is 03758-222244
jonai s.o branch Head Office is North Lakhimpur H.O