Roing-Iii (Mariso) STD Code
| City | Roing-Iii (Mariso) |
| STD Code | 03779 |
| District | Arunachal Pradesh (Zero) |
| State | North East |
STD Code of Roing-Iii (Mariso) is 03779. This city is located in Arunachal Pradesh (Zero) district of North East state in India. To call landline phones of Roing-Iii (Mariso), you must add 03779 before the number.