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  2. Fictitious telephone number - Wikipedia

    en.wikipedia.org/wiki/Fictitious_telephone_number

    Fictitious numbers in (011x) and (01x1) area codes mostly end with the digits 496 0xxx, however Tyneside uses (0191) 498 0xxx. London uses 020 7946 0xxx; Cardiff uses 029 2018 0xxx; and Northern Ireland now uses 028 9649 6xxx after a previously reserved range was allocated for actual use.

  3. Phoneword - Wikipedia

    en.wikipedia.org/wiki/Phoneword

    A number would be published as WHItehall 1212, and dialled 944 1212. Generating phonewords. Although businesses typically choose phone numbers so as to correspond to particular phonewords, it is also possible to go in the other direction, and generate phonewords corresponding to given numbers. See also. Telephones portal; E.161; Teledotcom

  4. North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering_Plan

    Canada and the United States have experienced rapid growth in the number of area codes, particularly between 1990 and 2005. The widespread adoption of fax , modem , and mobile phone communication, as well as the deregulation of local telecommunication services in the United States during the mid-1990s, increased the demand for telephone numbers.

  5. National conventions for writing telephone numbers - Wikipedia

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

    Landline numbers in Taiwan are written with the area code in parentheses [with phone numbers total nine digits] Example: (02) XXXX YYYY for phone numbers in Taipei area. Mobile phones have 3 digit "company code" assigned to different mobile service carriers such as (09**) XXXXXX followed by a 6 digit phone number.

  6. Telephone keypad - Wikipedia

    en.wikipedia.org/wiki/Telephone_keypad

    A telephone keypad using the ITU E.161 standard. A telephone keypad is a keypad installed on a push-button telephone or similar telecommunication device for dialing a telephone number. It was standardized when the dual-tone multi-frequency signaling (DTMF) system was developed in the Bell System in the United States in the 1960s that replaced ...

  7. Premium-rate telephone number - Wikipedia

    en.wikipedia.org/wiki/Premium-rate_telephone_number

    Originally 09 numbers were designated as premium rate, with 0845 and 0870 numbers charged from landlines at rates that mirrored the cost of standard local and national phone calls respectively. Prior to this, a wide mix of prefixes was in use, from the well-recognized 0891 and 0898 prefixes to others such as 0331 and 0660.

  8. Telephone number verification - Wikipedia

    en.wikipedia.org/wiki/Telephone_number_verification

    Telephone number verification. Telephone number verification (or validation) services are online services used to establish whether a given telephone number is in service. They may include a form of Turing test to further determine if a human answers or answering equipment such as a modem, fax, voice mMail or answering machine .

  9. Telephone numbering plan - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbering_plan

    Telephone numbering plan. A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. [1] Telephone numbers are the addresses of participants in a telephone network, reachable by a system of destination code routing.