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  2. Telephone numbers in Canada - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Canada

    The Government of Canada's Translation Bureau recommends using hyphens between groups; e.g. 250-555-0199. [4] 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.

  3. List of country calling codes - Wikipedia

    en.wikipedia.org/wiki/List_of_country_calling_codes

    They are used only when dialing a telephone number in a country or world region other than the caller's. Country codes are dialed before the national telephone number, but require at least one additional prefix, the international call prefix which is an exit code from the national numbering plan to the international one.

  4. National conventions for writing telephone numbers - Wikipedia

    en.wikipedia.org/wiki/National_conventions_for...

    Area codes start with a trunk prefix "0" and extend for up to four digits but usually 3; followed by the local phone number of up to seven digits. In industry jargon, these area codes and prefixes are referred to as NDCs (National Dialing Codes). This is the term used by ComReg and technical documents, as they include non-geographic codes ...

  5. Area codes 905, 289, 365, and 742 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_905,_289,_365...

    NANPA Planning letter 243: Announcement of NPA 289 as an overlay to NPA 905 Archived October 25, 2005, at the Wayback Machine (PDF; October 25, 2000) Order CRTC 2000-772: New area code overlay to be introduced in 905 region; Area Code Map of Canada; Telecom Decision CRTC 2010-213: Code relief for area codes 289 and 905 in southern Ontario at ...

  6. List of mobile telephone prefixes by country - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_telephone...

    Users can switch carriers while keeping number and prefix (so prefixes are not tightly coupled to a specific carrier). If there is only 32.. followed by any other, shorter number, like 32 51 724859, this is the number of a normal phone, not a mobile. 46x: Join (discontinued mobile phone service provider) [3] 47x: Proximus (or other) 48x

  7. Country code - Wikipedia

    en.wikipedia.org/wiki/Country_code

    In telecommunications, a country code, or international subscriber dialing (ISD) code, is a telephone number prefix used in international direct dialing (IDD) and for destination routing of telephone calls to a country other than the caller's.

  8. Call signs in Canada - Wikipedia

    en.wikipedia.org/wiki/Call_signs_in_Canada

    First assigned in 1954, Canada is the only country to assign a special prefix to operators on its ships in international waters. [14] None of the operators reside at sea, but have residence within one of the other call-sign areas. ** Industry Canada lists five (5) call signs with VY9 prefix issued to individuals related to that government ...

  9. Abbreviated dialing - Wikipedia

    en.wikipedia.org/wiki/Abbreviated_dialing

    Abbreviated dialing is the use of a very short digit sequence to reach specific telephone numbers, such as those of public services. The purpose of such numbers is to be universal, short, and easy to remember. Typically they are two or three digits. Carriers refer to the shortened number sequences as abbreviated dialing codes (ADCs).