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  1. Using the format specified by the International Telecommunication Union (ITU) in Recommendation E.164 for telephone numbers, a Canadian number is written as +1NPANXXXXXX, with no spaces, hyphens, or other characters; e.g. +12505550199.

  2. The format and allocation of local telephone numbers are controlled by each nation's respective government, either directly or by sponsored organizations (such as NANPA in the US or CNAC in Canada). In the United States, each state's public service commission regulates, as does the Federal Communications Commission .

  3. A brief history of telephone numbers - Learn more about the evolution of communications in Canada. When the first telephone service was introduced in Canada in 1878, no one had to remember telephone numbers.

  4. Only one regional exception exists in area code 600 in Canada. For cellular services, telephone numbers in the NANP are allocated within each area code from special central office prefixes. Calls to them are billed at the same rate as any other call.

  5. 25 set 2023 · In Canada, phone numbers follow a specific format that consists of three main components: the country code, area code, and local number. The country code for Canada is +1. When dialing from outside of Canada, you must include this country code before the area code and local number.