Dumraon STD Code
| City | Dumraon |
| STD Code | 06323 |
| District | Arrah |
| State | Bihar |
STD Code of Dumraon is 06323. This city is located in Arrah district of Bihar state in India. To call landline phones of Dumraon, you must add 06323 before the number.
| City | Dumraon |
| STD Code | 06323 |
| District | Arrah |
| State | Bihar |
STD Code of Dumraon is 06323. This city is located in Arrah district of Bihar state in India. To call landline phones of Dumraon, you must add 06323 before the number.
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