Data Files
05/22/2023
AISU ZIP Code File (AISUZIPS.TXT)
Data Files
05/22/2023
AISU Contact Information (AISUADDR.TXT)
Data Files
05/22/2023
Area District Finance File Specification (AREA_DIST_LAYOUT.TXT)
Data Files
05/22/2023
Area District Finance File (AREADIST.TXT)
Data Files
05/22/2023
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
05/22/2023
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Data Files
05/22/2023
Pending Route Adjustment File

This Excel sheet details route adjustments for April 2023 thru August 2023.

Data Files
05/22/2023
Retail Distribution Codes (RDC) Assignment File

This downloadable file provides information on the Retail Distribution Codes (RDC) Assignment.

Data Files
05/22/2023
Retail Distribution Codes (RDC) Assignment File Compressed

This document provides information on the Retail Distribution Codes (RDC) Assignment File. The file attached is compressed.  

Tech Guides
05/21/2023
USPS Ship Tech Sheet

USPS Ship is our next generation package platform for postage payment and adjustments. Our new, improved platform simplifies your shipping process, so you can focus on your core business.