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  2. Vertical service code - Wikipedia

    en.wikipedia.org/wiki/Vertical_service_code

    A vertical service code (VSC) is a sequence of digits and the signals star (*) and pound/hash (#) dialed on a telephone keypad or rotary dial to access certain telephone service features. [1]

  3. 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. [2] 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.

  4. 5 ways to block or hide your number when making calls - AOL

    www.aol.com/news/5-ways-block-hide-number...

    Kim Komando offers tips to block or hide their phone numbers when making calls. Blocking your number can go a long way in stopping annoying robocalls. 5 ways to block or hide your number when ...

  5. Last-call return - Wikipedia

    en.wikipedia.org/wiki/Last-call_return

    Japan: 1361 to get number, 1363 to call back. [4] United Kingdom: 1471 (also used in Gibraltar, Ireland, Isle of Man, Channel Islands, and the Falkland Islands) In the UK, after dialing 1471, the caller can press "3" to automatically return the call. Previously free, since August 2004 the return call service incurs a charge.

  6. List of telephone country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_telephone_country...

    Worldwide distribution of country calling codes. Regions are coloured by first digit. Telephone country codes, but also sometimes referred to as country dial-in codes, or historically international subscriber dialing (ISD) codes in the U.K., are telephone number dialing prefixes for reaching subscribers in foreign countries or areas via international telecommunication networks.

  7. Caller ID - Wikipedia

    en.wikipedia.org/wiki/Caller_ID

    Also, in the United States and Canada a caller may block the display of the number they are calling from by dialling *67 before dialling the phone number. [21] This will not work when dialling a toll-free number, where the receiver of the call pays for the call, or when 911 emergency calls are made.

  8. Toll-free telephone numbers in the North American Numbering ...

    en.wikipedia.org/wiki/Toll-free_telephone...

    In the early 1980s, Bell Labs received a patent for what became AT&T's "Advanced 800 Service", a computer-controlled system where any toll-free number could point to any destination number, such as to a small business local number instead of a special InWATS line, and an itemized bill generated only for the calls the business actually received.

  9. Short code - Wikipedia

    en.wikipedia.org/wiki/Short_code

    2.8 Canada. 2.9 Chile. 2. ... This section does not ... support information — consisting of either a toll-free phone number or email address at a minimum — and ...