Rajmahal STD Code
| City | Rajmahal |
| STD Code | 06426 |
| District | Deoghar (Dumka) |
| State | Bihar |
STD Code of Rajmahal is 06426. This city is located in Deoghar (Dumka) district of Bihar state in India. To call landline phones of Rajmahal, you must add 06426 before the number.