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  2. List of telephone country codes - Wikipedia

    en.wikipedia.org/.../List_of_telephone_country_codes

    Worldwide distribution of country calling codes. Regions are coloured by first digit. Telephone country codes, originally termed International Codes by the International Telegraph and Telephone Consultative Committee (C.C.I.T.T.) in 1960, [1] but also sometimes referred to as "country dial-in codes", or historically "international subscriber dialing" (ISD) codes in the U.K., are telephone ...

  3. List of mobile telephone prefixes by country - Wikipedia

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

    This is a list of mobile telephone prefixes by country. ... and 9 placed after the international access code excluding the 15 for international calls (+54 9 11 xxxx ...

  4. List of international call prefixes - Wikipedia

    en.wikipedia.org/wiki/List_of_international_call...

    This is a list of international dialing prefixes used in various countries for direct dialing of international telephone calls.These prefixes are typically required only when dialling from a landline, while in GSM-compliant mobile phone (cell phone) systems, the symbol + before the country code may be used irrespective of where the telephone is used at that moment; the network operator ...

  5. International call - Wikipedia

    en.wikipedia.org/wiki/International_call

    There are instances of telephone country codes covering points in more than one country; the North American Numbering Plan is one example, as is nominally-sovereign Vatican City's use of Italian numbering. The term overseas call is used by the Bell System to distinguish international calls to another country code from NANP-internal calls.

  6. Telephone prefix - Wikipedia

    en.wikipedia.org/wiki/Telephone_prefix

    A telephone prefix is the first set of digits after the country, and area codes of a telephone number. In the North American Numbering Plan countries (country code 1), it is the first three digits of a seven-digit local phone number, the second three digits of the 3-3-4 scheme. In other countries, both the prefix and the number may have ...

  7. Area codes 809, 829, and 849 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_809,_829,_and_849

    Area codes 809, 829, and 849 are telephone area codes in the North American Numbering Plan (NANP) for the Dominican Republic.Like all NANP members, the Dominican Republic uses country code 1, and has similar dialing procedures for dialing the 10-digit national telephone numbers, which consist of the area code, a three-digit central office code, and a four-digit line number.

  8. Big Number Change - Wikipedia

    en.wikipedia.org/wiki/Big_Number_Change

    The number of available codes for new services was quickly dwindling. In 1995, PhONEday partially addressed this by altering all geographic area codes to begin 01, freeing up hundreds of codes beginning 02 to 09 for other uses. Existing mobile, non-geographic and premium rate services continued as before, using various codes from 02 to 09 and ...

  9. International Telecommunications Public Correspondence ...

    en.wikipedia.org/wiki/International...

    International Telecommunications Public Correspondence Service (ITPCS) was an International Telecommunication Union (ITU) proposal for some form of individual-based international numbering plan that would be accessed using telephone numbers from the 991 range.