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