ISO 3166-1
🇦🇬 Antigua and Barbuda
· filed 2026-07-18 · click a code to copy
🇦🇬Antigua and Barbuda (officially: Antigua and Barbuda) is filed in ISO 3166-1 under alpha-2 code AG, alpha-3 code ATG and numeric code 028. Its international dialing code is +1268 and its country-code top-level domain is .ag. The capital is Saint John's. Region: Americas.
Currency: XCD (East Caribbean Dollar).
The two-letter code appears in domains, locales (like en-AG), shipping and licence plates; the three-letter code in passports, finance and sport; the numeric code where Latin script is unavailable.