關於「ISO country code 3 digit」標籤，搜尋引擎有相關的訊息討論：

List of country codes by alpha-2, alpha-3 code (ISO 3166)www.iban.com › country-codesList of ISO 3166 country codes - Wikipediaen.wikipedia.org › wiki › List_of_ISO_3166_country_codesCountry Codes List - Nations Online Projectwww.nationsonline.org › oneworld › country_code_list