There are 20 post offices under PIN code 132001.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Canal Colony B.O | Branch Office | Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 2 | Cssri B.O | Branch Office | Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 3 | Jundla B.O | Branch Office | Non-Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 4 | Kanral Industrial Area S.O | Sub Office | Non-Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 5 | Karnal City S.O | Sub Office | Non-Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 6 | Karnal GBS S.O | Sub Office | Non-Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 7 | Karnal H.O | Head Office | Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 8 | Karnal HBC S.O | Sub Office | Non-Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 9 | Karnal Kutchery S.O | Sub Office | Non-Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 10 | Karnal Model Town S.O | Sub Office | Non-Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 11 | Karnal NDRI S.O | Sub Office | Non-Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 12 | Karnal New Prem Nagar S.O | Sub Office | Non-Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 13 | Karnal Partap Pura S.O | Sub Office | Non-Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 14 | Karnal Railway Road S.O | Sub Office | Non-Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 15 | Karnal Ram Nagar S.O | Sub Office | Non-Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 16 | Karnal Sadar Bazar S.O | Sub Office | Non-Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 17 | Karnal Sector-6 S.O | Sub Office | Non-Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 18 | Mini sectt- sector-12 Kanral S.O | Sub Office | Non-Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 19 | Sector 4 Karnal S.O | Sub Office | Non-Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |
| 20 | Sector-8 Karnal S.O | Sub Office | Non-Delivery | Karnal | Karnal | Karnal | Ambala Hq | Haryana | Haryana |