| Place | Post Code |
|---|---|
| Himda, Karnal) | 132024 |
| Jalala Viran, Karnal) | 132157 |
| Jani, Karnal) | 132036 |
| Jarauli, Karnal) | 132022 |
| Jundla, Karnal) | 132036, 132001 |
| Kachwa, Karnal) | 132116 |
| Kailash, Karnal) | 132023 |
| Kalampura, Karnal) | 132024 |
| Kalwa Heri, Karnal) | 132001 |
| Kamboh Pura, Karnal) | 132037, 132001 |
| Kanral Industrial Area, Karnal) | 132001 |
| Karna Lake, Karnal) | 132001, 132024, 132036, 132037, 132040, … |
| Karnal, Karnal) | 132001, 132116 |
| Karnal GBS, Karnal) | 132001 |
| Karnal HBC, Karnal) | 132001 |
| Karnal Kutchery, Karnal) | 132001 |
| Karnal Model Town, Karnal) | 132001 |
| Karnal NDRI, Karnal) | 132001 |
| Karnal New Prem Nagar, Karnal) | 132001 |
| Karnal Partap Pura, Karnal) | 132001 |
| Karnal Railway Road, Karnal) | 132001 |
| Karnal Ram Nagar, Karnal) | 132001 |
| Karnal Sadar Bazar, Karnal) | 132001 |
| Karnal Sector-6, Karnal) | 132001 |
| Katleri, Karnal) | 132036 |
| Kheri Naroo, Karnal) | 132036 |
| Khirajpur, Karnal) | 132022 |
| Kuchpura, Karnal) | 132024 |
| Kunda Kalan, Karnal) | 132114 |
| Kunjpura, Karnal) | 132022 |