The Pin Code of Sonauli is 841421. Get more details along with the Pin Code of Sonauli. Sonauli is located in Saran district in Bihar. 841421 is the pincode (Postal code) of Sonauli.
| Location | Pincode | State | District |
| Sonauli | 841421 | Bihar | Saran |
| Location | Pincode | State | District |
| Amardah | 841421 | Bihar | Saran |
| Gamahria | 841421 | Bihar | Saran |
| Rampur Atauli | 841421 | Bihar | Saran |
| Sarhwara | 841421 | Bihar | Saran |
| Semri | 841421 | Bihar | Saran |
| Sikati Bhikham | 841421 | Bihar | Saran |