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  2. List of telephone country codes - Wikipedia

    en.wikipedia.org/.../List_of_telephone_country_codes

    Country codes are defined by the International Telecommunication Union (ITU) in ITU-T standards E.123 and E.164. The prefixes enable international direct dialing (IDD). Country codes constitute the international telephone numbering plan. They are used only when dialing a telephone number in a country or world region other than the caller's.

  3. International direct dialing - Wikipedia

    en.wikipedia.org/wiki/International_direct_dialing

    An "international call prefix", "international dial-out code" or "international direct dial code" (IDD code) is a trunk prefix that indicates an international phone call. In the dialling sequence, the prefix precedes the country calling code (and, further, the carrier code, if any, and the destination telephone number ).

  4. Comparison of alphabetic country codes - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_alphabetic...

    In the following cases, a code for a historical country or territory matches a modern code of the country it merged into: VNM - historical IOC and ISO code for South Vietnam [j], became the ISO code for unified Vietnam [k] YEM - historical ISO code for the North Yemen [l], became the generally accepted code for unified Yemen

  5. Category:Lists of country codes - Wikipedia

    en.wikipedia.org/.../Category:Lists_of_country_codes

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  6. Telephone numbers in Asia - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Asia

    Search. Search. Appearance. ... 1 States and territories with country calling codes. ... Download as PDF; Printable version; In other projects

  7. List of FIPS country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_FIPS_country_codes

    The FIPS standard includes both the codes for independent countries (similar but often incompatible with the ISO 3166-1 alpha-2 standard) and the codes for top-level subdivision of the countries (similar to but usually incompatible with the ISO 3166-2 standard). The ISO 3166 codes are used by the United Nations and for Internet top-level ...

  8. Telephone numbers in Europe - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Europe

    Calling codes in Europe. Telephone numbers in Europe are managed by the national telecommunications authorities of each country. Most country codes start with 3 and 4, but some countries that by the Copenhagen criteria are considered part of Europe have country codes starting on numbers most common outside of Europe (e.g. Faroe Islands of Denmark have a code starting on number 2, which is most ...

  9. List of ISO 3166 country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_ISO_3166_country_codes

    The sortable table below contains the three sets of ISO 3166-1 country codes for each of its 249 countries, links to the ISO 3166-2 country subdivision codes, and the Internet country code top-level domains (ccTLD) which are based on the ISO 3166-1 alpha-2 standard with the few exceptions noted. See the ISO 3166-3 standard for former country codes.