postal code postal code /ˈpoʊstəl koʊd/

noun

1. A code of letters and digits added to a postal address to aid in the sorting of mail  ( postal code , postcode , ZIP , ZIP code )
   a code of letters and digits added to a postal address to aid in the sorting of mail
    Please make sure to include the correct postal code when addressing the package
   Please make sure to include the correct postal code when addressing the package