Australia Country Code
For data processing and communications and Australia and it's dependent areas is represent by a Australia Country code. Australia country code is a short numeric geographical code (geocodes) developed by the ISO 3166-1 system. Australia country code is freqently refered to as Australia dialing codes or Australia E.164 calling code.
Australia Country Code is used when dialing to Australia from outside Australia. Australia Country Code is however not used when dialing within Australia.
To call Australia from outside Australia, you have to dial the your own country's International Direct Dialing prefix (IDD), Australia Country Code, City/ Area Code, and then the subscriber telephone number as:
Your Countries International Direct Dialing Prefix (IDD) +61 (Australia Country Code) + City Area Code + Number you wish to call.
When dialing from a mobile phone outside Australia into Australia, Dial '+' +61 (Australia 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 Australia)
Australia International Direct Dialing prefix (or IDD) is used when dialing from the Australia to outside the country (Refer to international dialing Australia code or Australia international access code). Do not use Australia IDD when dialing within Australia.
Australia National Direct Dialing prefix (or NDD) is used when dialing to a destination within the Australia (Refer to dialing Australia code). Do not use Australia National Direct Dialing prefix when dialing from outside Australia into Australia. Australia NDD is only used as long distance dialing within the country.
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