There are 14 post offices under PIN code 123023.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Akbarpur B.O | Branch Office | Delivery | Akberpur | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 2 | Bachhod B.O | Branch Office | Delivery | Narnaul | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 3 | Bayal B.O | Branch Office | Delivery | Bayal | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 4 | Bhungerka B.O | Branch Office | Delivery | Bhaungerka | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 5 | Budhwal B.O | Branch Office | Delivery | Budhwa | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 6 | Dholera B.O | Branch Office | Delivery | Dholera | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 7 | Golwa B.O | Branch Office | Delivery | Golwa | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 8 | Nagal Nunia B.O | Branch Office | Delivery | Narnaul | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 9 | Nangal Chaudhry S.O | Sub Office | Delivery | Narnaul | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 10 | Nangal Dargu B.O | Branch Office | Delivery | Nangal Dargu | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 11 | Niamatpur B.O | Branch Office | Delivery | Niamatpur | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 12 | Sareli B.O | Branch Office | Delivery | Sareli | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 13 | Sirohi Behali B.O | Branch Office | Delivery | Sirohi Behali | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 14 | Thanwas B.O | Branch Office | Delivery | Thanwas | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |