Tonga Islands Country Code
For data processing and communications and Tonga Islands and it's dependent areas is represent by a Tonga Islands Country code. Tonga Islands country code is a short numeric geographical code (geocodes) developed by the ISO 3166-1 system. Tonga Islands country code is freqently refered to as Tonga Islands dialing codes or Tonga Islands E.164 calling code.
Tonga Islands Country Code is used when dialing to Tonga Islands from outside Tonga Islands. Tonga Islands Country Code is however not used when dialing within Tonga Islands.
To call Tonga Islands from outside Tonga Islands, you have to dial the your own country's International Direct Dialing prefix (IDD), Tonga Islands Country Code, City/ Area Code, and then the subscriber telephone number as:
Your Countries International Direct Dialing Prefix (IDD) +676 (Tonga Islands Country Code) + City Area Code + Number you wish to call.
When dialing from a mobile phone outside Tonga Islands into Tonga Islands, Dial '+' +676 (Tonga Islands Country Code) + City Area Code + Number you wish to call. (The "+" can be reached by holding down the "0" key until it turns into a "+". The "+" is universal prefix for all international mobile telephone calls including Tonga Islands)
Tonga Islands International Direct Dialing prefix (or IDD) is used when dialing from the Tonga Islands to outside the country (Refer to international dialing Tonga Islands code or Tonga Islands international access code). Do not use Tonga Islands IDD when dialing within Tonga Islands.
Tonga Islands National Direct Dialing prefix (or NDD) is used when dialing to a destination within the Tonga Islands (Refer to dialing Tonga Islands code). Do not use Tonga Islands National Direct Dialing prefix when dialing from outside Tonga Islands into Tonga Islands. Tonga Islands NDD is only used as long distance dialing within the country.
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