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 Tonga is 676
Here is some useful travel information about Tonga.
ISO 2 digit Code
ISO 3 digit Code
Area (SQ KM)
This page helps you call from to Tonga using international country codes.
Area Codes for Tonga are also supplied. Country Code 676 is for Tonga.
The dialing code is also described as phone code 676 or dialing code 676 and is sometimes described as a calling code or international dialing code.
The dialing code for Tonga is 676.