Announcements
07/15/2026
DELIVERY: WestPac Area: CO-WY District - Beulah Post Office (81023) - Resume Operations
Announcements
07/15/2026
INFORMATIONAL: WestPac Area AIM Meeting - August 6, 2026
Announcements
07/15/2026
DELIVERY - INTERNATIONAL SERVICE SUSPENSION NOTICE – effective July 17, 2026
Announcements
07/15/2026
INFORMATIONAL - Security Enhancements to USPS.com July 30, 2026
Announcements
07/15/2026
INFORMATIONAL - UPDATE - PostalOne! System (PO!) – Delivery Sort Container Discount Not Applied
Fact Sheets
07/15/2026
Addresses API - Tech Sheet
Error Codes
07/15/2026
Known Issues List 7.15.2026
Release Notes
07/15/2026
USPS APIs Release Notes

For the latest updates, please review the USPS APIs Release Notes.

Release Notes
07/15/2026
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Release Notes

These release notes summarize new features and enhancements implemented in deployments to the IV-MTR application.

Contact Lists
07/15/2026
Business Acceptance Solutions & Major Mailer Support Directory

This document provides a contact list for Business Acceptance Solutions (formerly Business Mailer Support) & Major Mailer Support