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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.
The ISO 3166 codes are used by the United Nations and for Internet top-level country code domains. Non-sovereign entities are in italics. On September 2, 2008, FIPS 10-4 was one of ten standards withdrawn by NIST as a Federal Information Processing Standard.
As of 20 May 2017, there were 255 country-code top-level domains, purely in the Latin alphabet, using two-character codes. The number was 316 as of June 2020 [update] , with the addition of internationalized domains.
This is a listing of lists of country codes: List of ISO country codes (ISO 3166) ITU country code (International Telecommunication Union) List of country calling codes E.164; Mobile country code E.212; Maritime identification digits; List of ITU letter codes (radiocommunication division) UIC country code (International Union of Railways) List ...
There are generally two widely accepted versions of a postal code: a ZIP code and a ZIP + 4 code. Established in 1963, ZIP codes are the most common and recognizable postal code used by the USPS.
The United Nations uses a combination of ISO 3166-1 alpha-2 and alpha-3 codes, along with codes that pre-date the creation of ISO 3166, for international vehicle registration codes, which are codes used to identify the issuing country of a vehicle registration plate; some of these codes are currently indeterminately reserved in ISO 3166-1.
Notes ^ RC is Taiwan, VH is Hong Kong, VM is Macao Christmas Island (territory of Australia) ISO 3166-1 numeric 162 ISO 3166-1 alpha-3 CXR ISO 3166-1 alpha-2 CX ICAO airport code prefix YP E.164 code 61 IOC country code — Country code top-level domain.cx ICAO aircraft regis. prefix VH- E.212 mobile country code 505 NATO three-letter code CXR NATO two-letter code KT LOC MARC code XA ITU ...
Download QR code; Print/export ... (obsolete ISO 3166 country code), ... ct followed by a number means the number of items contained in a cardboard (e.g. zucchini 3 ...