12/08/2025
PTR Modernization
PTR is being modernized to deliver a best-in-class visibility solution for customers. The new solution, PTR 2, will provide a scalable and highly available platform to support continued package volume growth and evolving business functionality to deliver exceptional customer value.
12/08/2025
PAVE™ 2026 Advisory Cycle S Extension
This advisory is to inform you that there will be no PAVE Cycle S/MAC Batch Certification testing for the 2026 Price Change releases. USPS has decided to extend the current PAVE process until January 19, 2027, and will not be testing or accepting files for testing during the transition into 2026.
12/08/2025
Cumulative Listing of ZIP Codes Covered by the LACS Database
This document provides a cumulative listing of ZIP Codes covered by the LACS database for LACSLink®.
12/08/2025
Presort Accuracy, Validation, and Evaluation (PAVE™) Certified Products List
This document provides a listing of all PAVE™ certified products.
12/05/2025
12/05/2025
12/05/2025
12/04/2025
12/04/2025
12/04/2025
USPS Ship Data Dictionary
Detailed information on the USPS Ship (Formerly Package Platform) data elements available through the Informed Visibility Mail Tracking & Reporting (IV-MTR) application.