Muzaffarpur STD Code
| City | Muzaffarpur |
| STD Code | 0621 |
| District | Muzaffarpur |
| State | Bihar |
STD Code of Muzaffarpur is 0621. This city is located in Muzaffarpur district of Bihar state in India. To call landline phones of Muzaffarpur, you must add 0621 before the number.