<Tr> <Th> International call prefix </Th> <Td> 011 </Td> </Tr> <Tr> <Th> Trunk prefix </Th> <Td> </Td> </Tr> <P> Telephone numbers in Canada follow the fixed - length Bell System format, consisting of the country code + 1, followed by a three - digit area code, a three - digit central office code (or exchange code) and a four - digit station code . This is represented as 1 NPA NXX - XXXX, in which the country code is "1". </P> <P> Local calls from Canadian landlines must be dialled without the leading' 1', which is used as the trunk prefix for domestic long distance calls . Toll calls from Canada to other North American Numbering Plan countries are dialled in the same format (eleven digits) as domestic calls . Overseas calls to locations outside country code + 1 are dialled with the 011 international prefix, followed by the country code and the national significant number . </P>

How to write a canadian phone number with country code