Dalsinghsarai STD Code
| City | Dalsinghsarai |
| STD Code | 06278 |
| District | Darbhanga |
| State | Bihar |
STD Code of Dalsinghsarai is 06278. This city is located in Darbhanga district of Bihar state in India. To call landline phones of Dalsinghsarai, you must add 06278 before the number.