Resources | PostalPro

Filter Resources

Announcements
05/26/2026

SITE SYNERGY: WestPac PCCs Lead the Way Mini Café

Announcements
05/26/2026

PROCESSING AND DISTRIBUTION - Western Region – Tucson, AZ P&DC - Power Outage

Contact Lists
05/26/2026

Mail Service Provider (MSP) - Full-Service Certified Mailers

A Mail Service Provider (MSP) offers a variety of solutions to prepare and present Full-Service presort mailings. For more information regarding Certified MSPs, please follow this link: https://postalpro.usps.com/full-service-cert/fact-sheet

Announcements
05/23/2026

PROCESSING & DISTRIBUTION: Tampa, FL Regional Processing & Distribution Center (RPDC) Modernizes Operations on May 25, 2026

Announcements
05/22/2026

INFORMATIONAL - Commercial System Releases (May 30 – June 5) May 31, 2026

Release Notes
05/21/2026

PTR2 Release Notes_DD_05_21_26

Technical Specifications
05/21/2026

PTR Tracking API Specifications and Integration

Announcements
05/20/2026

INFORMATIONAL - Updated 5-20-2026 - 2026 Labeling List and Mail Direction File (MDF) Timeline

Announcements
05/20/2026

DELIVERY - Diplomatic Post Office (DPO) May 20, 2026

Announcements
05/20/2026

INFORMATIONAL - USPS APIs System Release May 21, 2026

Technical Specifications
05/20/2026

Mail.xml Technical Specifications R64.0.0.0

Technical Specifications
05/20/2026

Mail.dat Technical Specifications R64.0.0.0

Release Notes
05/20/2026

July 2026 Release Overview

Note: For the latest technical specifications, please see the July 2026 Price Change Release Notes as they are published. Mail.dat and Mail.XML updates required for this release.

Presentations
05/19/2026