There are 19 post offices under PIN code 123029.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Akoda B.O | Branch Office | Delivery | Akoda | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 2 | Basai B.O | Branch Office | Non-Delivery | Basai | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 3 | Bawana B.O | Branch Office | Non-Delivery | Bawana | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 4 | Beri B.O | Branch Office | Non-Delivery | Beri | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 5 | Buddin B.O | Branch Office | Delivery | Buddin | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 6 | C R Mgrh B.O | Branch Office | Delivery | C R Mgrh | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 7 | Dhadhot B.O | Branch Office | Delivery | Dhadhot | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 8 | Dulana B.O | Branch Office | Delivery | Dulana | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 9 | Dulot Ahir B.O | Branch Office | Non-Delivery | Dulot Ahir | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 10 | Jhook B.O | Branch Office | Delivery | Jhook | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 11 | Khatod B.O | Branch Office | Delivery | Khatod | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 12 | Khudana B.O | Branch Office | Delivery | Khudana | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 13 | Kurawata B.O | Branch Office | Delivery | Kurawata | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 14 | Lawan B.O | Branch Office | Delivery | Lawan | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 15 | Mandola B.O | Branch Office | Delivery | Mandola | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 16 | Mohindergarh S.O | Sub Office | Delivery | Mohindergarh | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 17 | Nimbi B.O | Branch Office | Delivery | Nimbi | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 18 | Pali B.O | Branch Office | Delivery | Pali | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |
| 19 | Palri Panihara B.O | Branch Office | Delivery | Palri Panihara | Mahendragarh | Gurgaon | Ambala Hq | Haryana | Haryana |