Hazaribagh STD Code
| City | Hazaribagh |
| STD Code | 06546 |
| District | Hazaribagh |
| State | Bihar |
STD Code of Hazaribagh is 06546. This city is located in Hazaribagh district of Bihar state in India. To call landline phones of Hazaribagh, you must add 06546 before the number.