The Pin Code of Dhelwan is 800020. Get more details along with the Pin Code of Dhelwan. Dhelwan is located in Patna district in Bihar. 800020 is the pincode (Postal code) of Dhelwan.
| Location | Pincode | State | District |
| Dhelwan | 800020 | Bihar | Patna |
| Location | Pincode | State | District |
| Ashok Nagar | 800020 | Bihar | Patna |
| Chitragupta Nagar | 800020 | Bihar | Patna |
| K.Sector | 800020 | Bihar | Patna |
| Lohia Nagar | 800020 | Bihar | Patna |
| R.M.s. colony | 800020 | Bihar | Patna |
| West Lohianagar | 800020 | Bihar | Patna |