There are 28 post offices under PIN code 123401.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | B B Ashram B.O | Branch Office | Delivery | B B Ashram | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 2 | Bikaner B.O | Branch Office | Delivery | Bikaner | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 3 | Bithwana B.O | Branch Office | Delivery | Bithwana | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 4 | Boria Kamalpur B.O | Branch Office | Delivery | Boria Kamalpur | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 5 | Budhpur B.O | Branch Office | Delivery | Budhpur | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 6 | Dehlawas Gulabpur B.O | Branch Office | Delivery | Dehlawas Gulabpur | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 7 | Garhi Bolni B.O | Branch Office | Delivery | Garhi Bolni | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 8 | Gokal Bazar Rewari S.O | Sub Office | Non-Delivery | Rewari | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 9 | Gokalgarh B.O | Branch Office | Non-Delivery | Gokalgarh | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 10 | Jatusa R.S. B.O | Branch Office | Delivery | Jatusana Rs | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 11 | Kankarwali Rewari S.O | Sub Office | Non-Delivery | Gurgaon | Gurgaon | Gurgaon | Ambala Hq | Haryana | Haryana |
| 12 | Karnawas B.O | Branch Office | Non-Delivery | Karnawas | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 13 | Khandora B.O | Branch Office | Non-Delivery | Khandora | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 14 | Majra Gurdas B.O | Branch Office | Delivery | Majra Gurdas | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 15 | Majra Sheoraj B.O | Branch Office | Delivery | Majra Sheoraj Majra Sheoraj | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 16 | Mastapur B.O | Branch Office | Delivery | Mastapur | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 17 | Model Town Rewari S.O | Sub Office | Non-Delivery | Rewari | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 18 | Mohanpur B.O | Branch Office | Delivery | Mohanpur | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 19 | Musepur B.O | Branch Office | Delivery | Musepur | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 20 | Nangal Pathani B.O | Branch Office | Non-Delivery | Nangal Pathani | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 21 | Nangli Godha B.O | Branch Office | Delivery | Nangli Godha | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 22 | New Anaz Mandi Rewari S.O | Sub Office | Non-Delivery | New Anaz Mandi Rewari | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 23 | Rewari S.O | Sub Office | Delivery | Rewari | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 24 | Rohrai B.O | Branch Office | Delivery | Rohrai | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 25 | Saharanwas B.O | Branch Office | Delivery | Saharanwas | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 26 | Sangwari B.O | Branch Office | Delivery | Sangwari | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 27 | Sulkha B.O | Branch Office | Delivery | Sulkha | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |
| 28 | Tehsil Road Rewari S.O | Sub Office | Non-Delivery | Rewari | Rewari | Gurgaon | Ambala Hq | Haryana | Haryana |