1. country code standard> Originally, a two-letter abbreviation for a particular country, generally used as a top-level domain. Originally, as the name implies, country codes were meant just for countries; but over time, country codes were allocated for many areas mostly islands that arent countries -- such as Antarctica aq, Christmas Island cx and Saint Pierre et Miquelon pm. Country codes are based on ISO 3166 and are used as the top level domain for Internet hostnames in most countries but hardly ever in the USA code "us". Latest list ftp://ftp. ripe. net/iso3166-countrycodes. txt.
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