Samastipur STD Code
| City | Samastipur |
| STD Code | 06274 |
| District | Darbhanga |
| State | Bihar |
STD Code of Samastipur is 06274. This city is located in Darbhanga district of Bihar state in India. To call landline phones of Samastipur, you must add 06274 before the number.