Postal codes in Argentina - Wikipedia
https://en.m.wikipedia.org/wiki/Postal_codes_in_Argentina
Postal codes in Argentinaare called códigos postales. Argentina first implemented a four-digit postal code system in 1958, aiming to improve mail distribution efficiency. However, it wasn't until 1998 that the more detailed and comprehensive Código Postal Argentino (CPA) system was launched, significantly enhancing both accuracy and efficiency in mail delivery. Until 1998 Argentina employed a four-digit postal code for each municipality, with the fir…
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