| Telecom Operator In Vietnam | MCC | MNC |
|---|---|---|
| Viettel Mobile | 452 | 04 |
| MobiFone (Vietnam Mobile Telecom Services Company) | 452 | 01 |
| Vinaphone (Vietnam Telecom Services Company) | 452 | 02 |
| Vietnamobile (Hanoi Telecom) | 452 | 05 |
| E-Mobile (EVN Telecom) (CDMA) | 452 | 06 |
| Beeline VN (GTEL Mobile) | 452 | 07 |