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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. From Wikipedia, the free encyclopedia. Telephone numbers in Canada follow the fixed-length format of the North American Numbering Plan (NANP) of a three-digit area code, a three-digit central office code (or exchange code), and a four-digit station or line code. This is represented as NPA NXX XXXX.

  3. 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 .

  4. Contents. hide. Beginning. United States. Canada. Caribbean and Bermuda. U.S. Pacific Territories. NANP non-geographic. References. Other websites. List of North American Numbering Plan area codes. This is a list of North American telephone area codes in effect for the North American Numbering Plan (NANP).

    State
    Codes
    205 (Birmingham, Tuscaloosa) 251 (Mobile, ...
    907 (all of Alaska)
    480 (Mesa, Scottsdale, Tempe) 520 ...
    479 (Fayetteville, Fort Smith) 501 ...
  5. 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. When a customer placed a telephone call, they simply asked an operator for the name of the person they wanted to reach.

  6. Telephone number representation. Canadian (and other North American Numbering Plan) telephone numbers are usually written as NPA-NXX-XXXX. For example, 250 555 0199, a fictional number, could be written as (250) 555-0199, 250-555-0199, 250-5550199, or 250/555-0199.