Definition of presort in US English:



[with object]
  • Sort outgoing mail by zip code in order to take advantage of a cheaper rate of postage.

    • ‘However, those rates were increased for letter-size mail, while some presort rates decrease under the proposal.’
    • ‘The company aims to collect presorted and some unsorted mail from business customers, and then pass 90 percent of it to the Post Office for delivery!’
    • ‘Mailing at presort and automation rates continues to be the lowest cost option for bulk mailers on campus.’