Austria

Austria (ISO 3166-1 alpha-2: AT; alpha-3: AUT) is a Central European country assigned the international calling code +43 and the country-code top-level domain (ccTLD) .at. Its currency is the euro (EUR), reflecting its EU membership. For international calls, dial +43 followed by the Austrian subscriber number. The .at domain is used for websites targeting Austrian audiences, with registrations managed by nic.at. In financial and business contexts, the ISO codes AT and AUT identify Austrian entities for banking, trade, and data processing, while the EUR designation applies to transactions conducted throughout the eurozone, simplifying cross-border commerce.