The Pin Code of Kalsar is 854337. Get more details along with the Pin Code of Kalsar. Kalsar is located in Purnia district in Bihar. 854337 is the pincode (Postal code) of Kalsar.
| Location | Pincode | State | District |
| Kalsar | 854337 | Bihar | Purnia |
| Location | Pincode | State | District |
| Belwa | 854337 | Bihar | Purnia |
| Bhogabhatgama | 854337 | Bihar | Purnia |
| Ranipatra | 854337 | Bihar | Purnia |
| Rautara | 854337 | Bihar | Purnia |