Barkagaon STD Code
| City | Barkagaon |
| STD Code | 06551 |
| District | Hazaribagh |
| State | Bihar |
STD Code of Barkagaon is 06551. This city is located in Hazaribagh district of Bihar state in India. To call landline phones of Barkagaon, you must add 06551 before the number.