STD Codes of cities in Bihar
Bihar has one hundred seventy nine STD Codes for telephone calling.
| District | City |
|---|---|
| Dhanbad | STD Code of Dhanbad |
| Patna | STD Code of Patna |
| Muzaffarpur | STD Code of Muzaffarpur |
| Gaya | STD Code of Gaya |
| Bhagalpur | STD Code of Bhagalpur |
| Ranchi | STD Code of Ranchi |
| Jamshedpur | STD Code of Jamshedpur |
| Patna | STD Code of Hilsa |
| Patna | STD Code of Biharsharif |
| Gaya | STD Code of Jahanabad |
| Patna | STD Code of Danapur |
| Patna | STD Code of Barh |
| Patna | STD Code of Bikram |
| Chapra | STD Code of Hathua |
| Chapra | STD Code of Sidhawalia |
| Chapra | STD Code of Chapra |
| Chapra | STD Code of Maharajganj |
| Chapra | STD Code of Siwan |
| Chapra | STD Code of Ekma |
| Chapra | STD Code of Gopalganj |
| Chapra | STD Code of Mairwa |
| Chapra | STD Code of Sonepur |
| Chapra | STD Code of Masrakh |
| Sasaram | STD Code of Adhaura |
| Arrah | STD Code of Piro |