Correo Argentino is the national provider managing the delivery infrastructure across Argentina's 23 provinces and the autonomous city of Buenos Aires. The country transitioned to the CPA (Código Postal Argentino) to improve sorting accuracy in high-density urban zones. This alphanumeric system serves as a precise geographic tool for logistics and e-commerce across the diverse Southern Cone landscape.
The Código Postal Argentino (CPA) consists of eight characters. The first letter identifies the province, the four digits represent the city or locality, and the final three letters identify the specific face of the city block where the address is located.
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