Mahagama STD Code
| City | Mahagama |
| STD Code | 06437 |
| District | Deoghar (Dumka) |
| State | Bihar |
STD Code of Mahagama is 06437. This city is located in Deoghar (Dumka) district of Bihar state in India. To call landline phones of Mahagama, you must add 06437 before the number.