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(The two-letter codes are based on ISO 3166‑1, the codes generally used for internet URLs.) The list can be ordered on the 2-letter abbreviation or on the country name. Country-sorted
These codes are used throughout the IT industry by computer systems and software to ease the identification of country names. We have compiled them in the quick reference table below in order to help our clients do quick conversions from the numeric or 2 letter code to any country name. Updated list of country codes.
More common for this is the 2-letter code alpha-2. It is mainly used for assigning a country-specific domain. The European IBAN system for bank account numbers also uses this code.
This online tool can convert any country name or list to ISO 3166-1 Alpha 2 or Alpha 3 numeric code. Also, it can convert any ISO Alpha-2 or Alpha-3 code to a country name and list all country names and numeric ISO codes.
The three letter code is also often used at events with international participants from various countries like sports meetings or song contests, where you can see abbreviations like CAN (for Canada), DNK (for Denmark), AUS (for Australia). Below is a list of two-letter codes (ISO alpha-2), and the three letter codes (ISO alpha-3), as well as ...
Two-letter country codes are used to represent countries and states (often both widely recognized and not) as a code of two letters. ISO 3166-1 alpha-2 is the main set of two-letter country codes that is currently used.
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.
