關於「ISO country code 2 digit」標籤，搜尋引擎有相關的訊息討論：

ISO 3166-1 alpha-2 - Wikipediaen.wikipedia.org › wiki › ISO_3166-1_alpha-2List 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_codesISO Country Codes for