Publications
04/15/2026
Appendix B: ACS™ Frequently Asked Questions

This document provides frequently asked questions (FAQs) and answers about the Intelligent Mail® Barcode, Traditional ACS™, OneCode ACS™, Full Service ACS™, Single Source ACS™, and the Intelligent Mail® Package Barcode (IMpb).

Publications
04/02/2026
PCC Events (April 2026)
Publications
04/02/2026
Destination Entry Service Standard Directory
Publications
04/02/2026
Combined Service Standard Directory-PRI
Publications
04/02/2026
Supplemental Service Standard Directory-PRI
Publications
04/02/2026
Supplemental Service Standard Directory-PKG
Publications
04/02/2026
Supplemental Service Standard Directory-PFC
Publications
04/02/2026
Supplemental Service Standard Directory-PER
Publications
04/02/2026
Supplemental Service Standard Directory-MKT
Publications
04/02/2026
Supplemental Service Standard Directory-GAL