| Office Name | Karmatar S.O |
| Pincodes | 815352 |
| Area | Karmatar |
| Office Status | Sub Post Office |
| Postal Circle | Jharkhand |
| Postal Division | Santhal Parganas |
| Postal Region | Ranchi |
| District | Jamtara |
| State | Jharkhand |
| Telephone No. | 06433-228804 |
| Office Name | Karmatar B.O |
| Pincodes | 737113 |
| Area | Karmatar |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Sikkim |
| Postal Region | North Bengal And Sikkim |
| District | West Sikkim |
| State | Sikkim |
| Telephone No. | Na |