Data Files
09/25/2023
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
09/25/2023
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Data Files
09/25/2023
Pending Route Adjustment File

This Excel sheet details route adjustments for September 2023 thru November 2023.

Announcements
09/23/2023
Update: September 2023 Mail Direction Files (MDF) - September 23, 2023
Announcements
09/22/2023
Southern Area - Texas 2 -San Isidro Post Office (78588) - Temporarily Suspended
Announcements
09/22/2023
Industry Webinar - Business Customer Gateway (BCG) / Postal Wizard (PW) - September 26th
Announcements
09/22/2023
2024 USPS Mailing Promotions Guidebooks
Announcements
09/21/2023
Southern Area - Texas 2 District - Medical Center Station (77054) - Retail Service Temporarily Suspended
Announcements
09/21/2023
Southern Area - Texas 2 District-Greens North PO (77067) - Retail and PO Box Service Temporarily Suspended
Contact Lists
09/21/2023
CASS™ Certified Products Guide: M L O C R Mailers/Users Data File Cycle O - (Expires July 31, 2028)