This is the code you need to dial OUT from a country. It is also referred to as the IDD code (International Direct Dialing) or ISD code (International Subscriber Dialing)
This is the code you need to dial IN to a country. Each country is assigned a unique country code.
This is the code for a part of the country. It is usually a general area or a city. Some countries are not large enough to warrant their own code, so will have the country code 1 and use the area code to define the country.
This is the local number you would like to call.
Dialing Code for Vietnam is 84
Here is some useful travel information about Vietnam.
ISO 2 digit Code
ISO 3 digit Code
Area (SQ KM)
This page helps you call from to Vietnam using international country codes.
Area Codes for Vietnam are also supplied. Country Code 84 is for Vietnam.
The dialing code is also described as phone code 84 or dialing code 84 and is sometimes described as a calling code or international dialing code.
The dialing code for Vietnam is 84.