Sunday, 14 April 2013

ISO 3166 Country Codes for Programmers

Two letter standard country codes are given by the ISO 3166-1 alpha-2 standard.

US - USA
GB - UK (taken from United Kingdom of Great Britain and Northern Ireland)
GG - Guernsey
JE - Jersey
GI - Gibraltar

66 is the 11th triangular number, 31 is prime. Alpha-2 standard is used in BICs (Bank Identifier Codes) and ISINs (International Securities Identifying Number).

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