Data Files
04/06/2026
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
04/06/2026
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Release Notes
04/03/2026
April 12 2026 Time Limited Price Change (TLPC) 2026 Release Notes
Announcements
04/03/2026
DELIVERY - WestPac Area - ID-MT-OR District - Office Temporarily Closed - North Bend Post Office
Announcements
04/03/2026
INFORMATIONAL - USPS APIs System Deployment April 18, 2026