Quick Service Guides
How to Format Your File for Electronic Address Sequencing (EAS)
This document describes how to format an address list for EAS processing using Microsoft Excel.
Tools
USPS Tracking®
USPS Tracking services for Priority Mail®, Certified Mail®, and a variety of other USPS services.
Announcements
USPS® Service Alerts
USPS Service Alerts provide information to consumers, small businesses and business mailers about postal facility service disruptions due to weather-related and other natural disasters or events.
Publications