St. Helena Country Code
For data processing and communications and St. Helena and it's dependent areas is represent by a St. Helena Country code. St. Helena country code is a short numeric geographical code (geocodes) developed by the ISO 3166-1 system. St. Helena country code is freqently refered to as St. Helena dialing codes or St. Helena E.164 calling code.
St. Helena Country Code is used when dialing to St. Helena from outside St. Helena. St. Helena Country Code is however not used when dialing within St. Helena.
To call St. Helena from outside St. Helena, you have to dial the your own country's International Direct Dialing prefix (IDD), St. Helena Country Code, City/ Area Code, and then the subscriber telephone number as:
Your Countries International Direct Dialing Prefix (IDD) +290 (St. Helena Country Code) + City Area Code + Number you wish to call.
When dialing from a mobile phone outside St. Helena into St. Helena, Dial '+' +290 (St. Helena 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 St. Helena)
St. Helena International Direct Dialing prefix (or IDD) is used when dialing from the St. Helena to outside the country (Refer to international dialing St. Helena code or St. Helena international access code). Do not use St. Helena IDD when dialing within St. Helena.
St. Helena National Direct Dialing prefix (or NDD) is used when dialing to a destination within the St. Helena (Refer to dialing St. Helena code). Do not use St. Helena National Direct Dialing prefix when dialing from outside St. Helena into St. Helena. St. Helena NDD is only used as long distance dialing within the country.
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