Announcements
05/14/2025
INFORMATIONAL: Scheduled Commercial System Release - June 29, 2025
Contact Lists
05/14/2025
Business Acceptance Solutions & Major Mailer Support Directory

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

 

Release Notes
05/13/2025
USPS APIs Release Notes

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

Fact Sheets
05/13/2025
Population Mobility Trends Briefing Sheet
Release Notes
05/12/2025
May 25, 2025 Release
Announcements
05/12/2025
DELIVERY: WestPac Area: California 3 District - Alpaugh Post Office (93201) - Temporarily Closed
Announcements
05/12/2025
INFORMATIONAL: Postal Service Launches Twenty-Two New Sorting and Delivery Centers in May and July
Announcements
05/12/2025
INFORMATIONAL: USPS APIs System Deployment - May 14, 2025
Data Files
05/12/2025
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)
Data Files
05/12/2025
City/State ZIP Code Weekly Compare