| Post Office | Garajan Bazar |
| Division | Nagaon |
| Region | Dibrugarh |
| Circle | Assam |
| Taluka | Na |
| District | Dibrugarh |
| State | Assam |
| Phone | NA |
| Sub Office | NA |
| Head Office | Nagaon H.O |
| Pincode |
782128
|
| Post Office | Uttar Garanjan |
| Division | Nagaon |
| Region | Dibrugarh |
| Circle | Assam |
| Taluka | Na |
| District | Dibrugarh |
| State | Assam |
| Phone | NA |
| Sub Office | Garajan Bazar S.O |
| Head Office | Nagaon H.O |
| Pincode |
782128
|