ISO 3166-1 numeric

ISO 3166-1 numeric (or numeric-3) codes are 3-digit country codes in the ISO 3166-1 standard to represent countries and dependent territories. They are published by the International Organization for Standardization (ISO) as part of its ISO 3166 standard, and correspond to the 3-digit country codes developed and maintained by the United Nations Statistics Division. They were first included as part of the ISO 3166 standard in its second edition in 1981.
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