User Guides
11/25/2025
Quick Reference Guide: Bundle Preparation and Handling Recommendations

A guide to ensuring your bundles stay secure during transit.

Announcements
11/24/2025
DELIVERY: Central Area - Illinois 1 - Wilmette Post Office (60091) - Suspended
Announcements
11/24/2025
DELIVERY: Atlantic Area - Pennsylvania 1 District - Amity Post Office (15311) - Office Temporarily Suspended
Announcements
11/21/2025
PCC Voice Challenge - ThankfulforPCC
Data Files
11/21/2025
PTR Domestic Scan Events and Descriptions
Announcements
11/20/2025
INFORMATIONAL - Thanksgiving Holiday 2025 Shipping Recommendations for Lives Animals
Announcements
11/20/2025
INFORMATIONAL - Commercial System Releases – November 20, 2025
Release Notes
11/19/2025
Tracking API Access Control Changes Release Overview
Announcements
11/19/2025
DELIVERY - Southern Area – South Carolina District Sunset Post Office (29685) – Closed Indefinitely
User Guides
11/19/2025
Mailing and Shipping Solutions Center (MSSC) Topics

List of topics the MSSC can assist with. To reach the MSSC, email us at MSSC@usps.gov or call 1-877-672-0007 from 7:00AM – 7:00PM CT.