Williamnagar STD Code
| City | Williamnagar |
| STD Code | 03658 |
| District | Meghalaya (Shillong) |
| State | North East |
STD Code of Williamnagar is 03658. This city is located in Meghalaya (Shillong) district of North East state in India. To call landline phones of Williamnagar, you must add 03658 before the number.