Dumri(Isribazar) STD Code
| City | Dumri(Isribazar) |
| STD Code | 06558 |
| District | Hazaribagh |
| State | Bihar |
STD Code of Dumri(Isribazar) is 06558. This city is located in Hazaribagh district of Bihar state in India. To call landline phones of Dumri(Isribazar), you must add 06558 before the number.