1-4 Other Publications

Other useful publications, such as the following, are available online at usps.com and Postal Explorer, as well as in print at many Post Offices and business mail entry units:

  1. Publication 28, Postal Addressing Standards, provides guidance on the most efficient means to address a mailpiece.
  2. Publication 95, Quick Service Guide (QSG), provides two-page overviews of mail preparation and pricing for each class and shape of mail, plus special topics like permit imprints and nonprofit eligibility.