Announcements
04/08/2026
INFORMATIONAL - Parcel Dimension Compliance New Rules
Release Notes
04/08/2026
April 12 2026 Time Limited Price Change (TLPC) 2026 Release Overview
Announcements
04/08/2026
DELIVERY - International Service Resumption to United Arab Emirates - Effective April 10, 2026
Announcements
04/08/2026
INFORMATIONAL - USPS APIs Critical Maintenance April 8, 2026
Announcements
04/07/2026
DELIVERY: MILITARY POST OFFCE (MPO) 09309 - RESUMED MAILING SERVICE
Announcements
04/07/2026
INFORMATIONAL - Package Tracking API Provisioning - Reminder
Fact Sheets
04/07/2026
IMpb/IMmb Electronic File Transmission Requirements
Quick Service Guides
04/07/2026
Enterprise Payment System (EPS) Deposit Instructions

These instructions include general technical information and instructions for sending electronic funds into your EPS account. The information here is designed for trust customers (and debit customers who need to initiate a fund transfer to cover a debit return problem).

Data Files
04/07/2026
Informed Delivery® Post-Campaign (IDPC) Data through IV-MTR® Data Dictionary

This document describes the Informed Delivery Post-Campaign (IDPC) data fields available through the IV-MTR application.

Announcements
04/06/2026
INFORMATIONAL - Executive Retirement - Sharon Owens