🇦🇶Antarctica (officially: Antarctica) is filed in ISO 3166-1 under alpha-2 code AQ, alpha-3 code ATA and numeric code 010. Its international dialing code is and its country-code top-level domain is .aq. Region: Antarctic.
The two-letter code appears in domains, locales (like en-AQ), shipping and licence plates; the three-letter code in passports, finance and sport; the numeric code where Latin script is unavailable.