Announcements
06/03/2026
INFORMATIONAL - USPS Modernization Through Package Equipment Upgrades in June 2026
Announcements
06/03/2026
DELIVERY - Corte Madera Post Office - Temporarily Closed
Publications
06/03/2026
PCC Events (June 2026)
Fact Sheets
06/03/2026
IMpb/IMmb Electronic File Transmission Requirements
Announcements
06/02/2026
INFORMATIONAL - RESOLVED - Enterprise Payment System – Incident #10716992 Issues with Postage Statement Finalization, ACH Withdrawal Details Missing from Data Feeds
Applications/ Forms
06/02/2026
Occupancy Trends License Agreement
Data Files
06/02/2026
ZIP Codes by Area and District codes

The Excel spreadsheet lists ZIP Codes with the associated Area and District Codes.  

Announcements
06/01/2026
INFORMATIONAL - 2nd Reminder - USPS Enhanced Addresses API – Coming July 2026
Announcements
06/01/2026
INFORMATIONAL - Mail Spoken Here - May Issue
Data Files
06/01/2026
May 2026 Nixie Volume

This spreadsheet contains the UAA statistics for May 2026.