| Post Office | A.k. Line S.o | 
| 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 S.o | 
| 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 B.o | 
| 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 
 
 |