EXIT CODE
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)
COUNTRY CODE
This is the code you need to dial IN to a country. Each country is assigned a unique country code.
AREA 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.
LOCAL NUMBER
This is the local number you would like to call.
Dialing Code for Guam is 1 (671)
Here is some useful travel information about Guam.
Flag
Region
Australasia
ISO 2 digit Code
GU
ISO 3 digit Code
GUM
Capital City
Hagatna
Currency
Dollar
Population
168,564
Area (SQ KM)
549
IDD / Exit code for Vietnam is 00
Here is some useful travel information about Vietnam.
Flag
Region
Asia
ISO 2 digit Code
VN
ISO 3 digit Code
VNM
Capital City
Hanoi
Currency
Dong VND
Population
89,571,130
Area (SQ KM)
329,560
This page helps you call from Vietnam to Guam using international country codes.
Area Codes for Guam are also supplied. Country Code 1 is for Guam.
The dialing code is also described as phone code 1 or dialing code 1 and is sometimes described as a calling code or international dialing code.
The dialing code for Guam is 1.
Exit codes and dialing codes are required to call from Vietnam to Guam.
To call internationally from Vietnam uses IDD code 00 . IDD codes are known as exit codes and exit code 00 is Vietnam.
The exit code for Vietnam is 00 .
The area code for All is 671.