postal code

/P OW1 S T AH0 L K OW1 D/
noun
  1. 1

    A sequence of letters and/or numbers added to a postal address to aid the sorting and delivery of post/mail.

    โ€œDon't forget to add the postal code to the envelope, or it won't be delivered on time.โ€

Synonyms

Source: https://en.wiktionary.org/wiki/postal%20code