The Pin Code of Siarkhan is 854326. Get more details along with the Pin Code of Siarkhan. Siarkhan is located in Purnia district in Bihar. 854326 is the pincode (Postal code) of Siarkhan.
| Location | Pincode | State | District |
| Siarkhan | 854326 | Bihar | Purnia |
| Location | Pincode | State | District |
| Barsauni | 854326 | Bihar | Purnia |
| Belouri | 854326 | Bihar | Purnia |
| Gulabbagh | 854326 | Bihar | Purnia |
| Mahalbari | 854326 | Bihar | Purnia |
| Mohankunda | 854326 | Bihar | Purnia |
| Pokharia Benguabad | 854326 | Bihar | Purnia |