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Country Codes 2023
Below is a list of each country along with its ISO Alpha-2, ISO Alpha-3, and ISO Numeric codes. Each of these codes released by the ISO (International Organization for Standardization) has distinct uses.
The Alpha-2 codes are used primarily as top level domain extensions. The Alpha-3 codes offer a closer representation of each country, which are used on passports and by the UN. The numeric codes are useful because they can be used independent of the Latin alphabet.
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Is there a 2 letter country code?
Every country's ISO Alpha-2 Code is two letters long, but the ISO Alpha-3 codes are all three letters long. There are several two-digit ISO numeric codes, however.