There are 6 post offices under PIN code 124102.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Birdhana B.O | Branch Office | Delivery | Jhajjar | Jhajjar | Rohtak | Ambala Hq | Haryana | Haryana |
| 2 | Chamanpura B.O | Branch Office | Delivery | Jhajjar | Jhajjar | Rohtak | Ambala Hq | Haryana | Haryana |
| 3 | Dujana S.O | Sub Office | Delivery | Jhajjar | Jhajjar | Rohtak | Ambala Hq | Haryana | Haryana |
| 4 | Madana Kalan B.O | Branch Office | Delivery | Jhajjar | Jhajjar | Rohtak | Ambala Hq | Haryana | Haryana |
| 5 | Mehrana B.O | Branch Office | Delivery | Jhajjar | Jhajjar | Rohtak | Ambala Hq | Haryana | Haryana |
| 6 | Seria B.O | Branch Office | Delivery | Jhajjar | Jhajjar | Rohtak | Ambala Hq | Haryana | Haryana |