postal code

noun

1. British.,  postcode.

2. Canadian.,  a mailing code system similar to the zip code in the U.S. and the postcode in Britain.

postal code

noun

1. US equivalent: zip code. Also called (in Britain and certain other countries): postcode. a code of letters and digits used as part of a postal address to aid the sorting of mail

Word History and Origins

Origin of postal code¹

First recorded in 1965–70