Antigua and Barbuda

Antigua and Barbuda, a twin-island nation in the Americas, is identified by the ISO 3166-1 alpha-2 code AG and alpha-3 code ATG. Its international calling code is +1, shared with the North American Numbering Plan, requiring the country code 1 for inbound calls. The country-code top-level domain (ccTLD) is .ag, popular for global domain registration, especially in agriculture and tech sectors. The official currency is the East Caribbean Dollar (XCD), pegged to the US dollar. These identifiers are essential for telecommunications, internet presence, and financial transactions, ensuring accurate routing for calls, websites, and cross-border commerce.