International phone code of Vietnam – +84. Mobifone, Viettel are the two most popular mobile networks in Vietnam. They work well in almost every province of Vietnam, including the mountainous area. An average price for a sim card is between 3 dollars to 7 dollars. To control your Internet data, you can install their apps: MobiNEXT, or My Viettel. To recharge the balance, usually you will need to buy scratch cards or install your visa card into to app to pay directly.
With these networks, travelers can also make international phone calls. The fee is quite expensive so we advise you register for the Internet data and use communication apps such as Viber, WhatsApp, Facebook, or Telegram to make a phone calls.
The cost of phone calls and SMS is almost equal .
To recharge your balance
+ For scratch cards:
In order to recharge the balance, cratch the protection, and input *100* (your code)#. For example, if the code is “123456” – input *100*123456”#. You should receive SMS informing you about transferring money to your account.
+ Via Visa / Master Cards
You should follow the instructions on the apps to install your payment methods.
To check your balance
If the package of services was connected, you can check the rest of megabytes for 3G / 4G with the help of the command *102#, then “Call”
3G / 4G services
3G / 4G services
|Mobile Network||Data Included||Price |
(Please note the price might be varied a bit at the time you register)
|How To Register |
(Usually via SMS to the Operator)
|Mobifone||600Mb||70,000VND – around 3USD||Send “DK MIU” to 999|
|Mobifone||1.5Gb||120,000VND – around 5USD||Send “DK M120” to 999|
|Mobifone||3.0Gb||200,000VND – around 9USD||Send “DK BMIU” to 999|
|Viettel||600Mb||70,000VND – around 3USD||Send “MiMax” to 191|
|Viettel||1.5Gb||120,000VND – around 5USD||Send “DMax” to 191|
|Viettel||3.0Gb||200,000VND – around 9USD||Send “DMax200” to 191|