Please start by checking your code data with this tool: https://datarollup.nadeducation.org/tools/postal-code.
Postal or Zip Code errors should be resolved by spelling out the city and country name in entirety. No abbreviations.
Also – double check the numbers using this url: https://worldpostalcode.com/.
NOTE: For Argentinian postal codes, please reference this url: https://en.wikipedia.org/wiki/Postal_codes_in_Argentina.
In Jupiter, be sure to choose the correct country option in the Residence field in Student | Data Rollup.