| Post Office | A.k. Line |
| Division | Ambala |
| Region | Ambala Hq |
| Circle | Haryana |
| Taluka | Na |
| District | Ambala |
| State | Haryana |
| Phone | 0171-2645756 |
| Sub Office | NA |
| Head Office | Ambala G.P.O. |
| Pincode |
133001
|
| Post Office | Ambala G.p.o. |
| Division | Ambala |
| Region | Ambala Hq |
| Circle | Haryana |
| Taluka | Na |
| District | Ambala |
| State | Haryana |
| Phone | 0171-2644948 |
| Sub Office | NA |
| Head Office | NA |
| Pincode |
133001
|
| Post Office | Babyal |
| Division | Ambala |
| Region | Ambala Hq |
| Circle | Haryana |
| Taluka | Na |
| District | Ambala |
| State | Haryana |
| Phone | 0171-2669597 |
| Sub Office | NA |
| Head Office | Ambala G.P.O. |
| Pincode |
133005
|
| Post Office | Baknaur |
| Division | Ambala |
| Region | Ambala Hq |
| Circle | Haryana |
| Taluka | Na |
| District | Ambala |
| State | Haryana |
| Phone | NA |
| Sub Office | Baldev Nagar S.O |
| Head Office | Ambala City H.O |
| Pincode |
134007
|